21496433868

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{5179}}^1$

素因数の和:5397

約数の個数: 216

約数和(自身を含む): 68461345680

約数和(自身を除く): 46964911812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 181, 182, 196, 234, 252, 273, 294, 362, 364, 441, 468, 543, 546, 588, 637, 724, 819, 882, 1086, 1092, 1267, 1274, 1629, 1638, 1764, 1911, 2172, 2353, 2534, 2548, 3258, 3276, 3801, 3822, 4706, 5068, 5179, 5733, 6516, 7059, 7602, 7644, 8869, 9412, 10358, 11403, 11466, 14118, 15204, 15537, 16471, 17738, 20716, 21177, 22806, 22932, 26607, 28236, 31074, 32942, 35476, 36253, 42354, 45612, 46611, 49413, 53214, 62148, 65884, 67327, 72506, 79821, 84708, 93222, 98826, 106428, 108759, 115297, 134654, 145012, 148239, 159642, 186444, 197652, 201981, 217518, 230594, 253771, 269308, 296478, 319284, 326277, 345891, 403962, 435036, 461188, 471289, 507542, 592956, 605943, 652554, 691782, 761313, 807924, 937399, 942578, 1015084, 1037673, 1211886, 1305108, 1383564, 1413867, 1522626, 1874798, 1885156, 2075346, 2283939, 2423772, 2812197, 2827734, 3045252, 3299023, 3749596, 4150692, 4241601, 4567878, 5624394, 5655468, 6561793, 6598046, 8436591, 8483202, 9135756, 9897069, 11248788, 12186187, 13123586, 13196092, 16873182, 16966404, 19685379, 19794138, 24372374, 26247172, 29691207, 33746364, 36558561, 39370758, 39588276, 45932551, 48744748, 59056137, 59382414, 73117122, 78741516, 85303309, 91865102, 109675683, 118112274, 118764828, 137797653, 146234244, 170606618, 183730204, 219351366, 236224548, 255909927, 275595306, 341213236, 413392959, 438702732, 511819854, 551190612, 597123163, 767729781, 826785918, 1023639708, 1194246326, 1535459562, 1653571836, 1791369489, 2388492652, 3070919124, 3582738978, 5374108467, 7165477956, 10748216934, 21496433868]

約数ペア:

[(1, 21496433868), (2, 10748216934), (3, 7165477956), (4, 5374108467), (6, 3582738978), (7, 3070919124), (9, 2388492652), (12, 1791369489), (13, 1653571836), (14, 1535459562), (18, 1194246326), (21, 1023639708), (26, 826785918), (28, 767729781), (36, 597123163), (39, 551190612), (42, 511819854), (49, 438702732), (52, 413392959), (63, 341213236), (78, 275595306), (84, 255909927), (91, 236224548), (98, 219351366), (117, 183730204), (126, 170606618), (147, 146234244), (156, 137797653), (181, 118764828), (182, 118112274), (196, 109675683), (234, 91865102), (252, 85303309), (273, 78741516), (294, 73117122), (362, 59382414), (364, 59056137), (441, 48744748), (468, 45932551), (543, 39588276), (546, 39370758), (588, 36558561), (637, 33746364), (724, 29691207), (819, 26247172), (882, 24372374), (1086, 19794138), (1092, 19685379), (1267, 16966404), (1274, 16873182), (1629, 13196092), (1638, 13123586), (1764, 12186187), (1911, 11248788), (2172, 9897069), (2353, 9135756), (2534, 8483202), (2548, 8436591), (3258, 6598046), (3276, 6561793), (3801, 5655468), (3822, 5624394), (4706, 4567878), (5068, 4241601), (5179, 4150692), (5733, 3749596), (6516, 3299023), (7059, 3045252), (7602, 2827734), (7644, 2812197), (8869, 2423772), (9412, 2283939), (10358, 2075346), (11403, 1885156), (11466, 1874798), (14118, 1522626), (15204, 1413867), (15537, 1383564), (16471, 1305108), (17738, 1211886), (20716, 1037673), (21177, 1015084), (22806, 942578), (22932, 937399), (26607, 807924), (28236, 761313), (31074, 691782), (32942, 652554), (35476, 605943), (36253, 592956), (42354, 507542), (45612, 471289), (46611, 461188), (49413, 435036), (53214, 403962), (62148, 345891), (65884, 326277), (67327, 319284), (72506, 296478), (79821, 269308), (84708, 253771), (93222, 230594), (98826, 217518), (106428, 201981), (108759, 197652), (115297, 186444), (134654, 159642), (145012, 148239)]