21482370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 71495424

約数和(自身を除く): 50013054

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 43, 45, 61, 63, 65, 70, 78, 86, 90, 91, 105, 117, 122, 126, 129, 130, 182, 183, 195, 210, 215, 234, 258, 273, 301, 305, 315, 366, 387, 390, 427, 430, 455, 546, 549, 559, 585, 602, 610, 630, 645, 774, 793, 819, 854, 903, 910, 915, 1098, 1118, 1170, 1281, 1290, 1365, 1505, 1586, 1638, 1677, 1806, 1830, 1935, 2135, 2379, 2562, 2623, 2709, 2730, 2745, 2795, 3010, 3354, 3843, 3870, 3913, 3965, 4095, 4270, 4515, 4758, 5031, 5246, 5418, 5490, 5551, 5590, 6405, 7137, 7686, 7826, 7869, 7930, 8190, 8385, 9030, 10062, 11102, 11739, 11895, 12810, 13115, 13545, 14274, 15738, 16653, 16770, 18361, 19215, 19565, 23478, 23607, 23790, 25155, 26230, 27090, 27755, 33306, 34099, 35217, 35685, 36722, 38430, 39130, 39345, 47214, 49959, 50310, 55083, 55510, 58695, 68198, 70434, 71370, 78690, 83265, 91805, 99918, 102297, 110166, 117390, 118035, 165249, 166530, 170495, 176085, 183610, 204594, 236070, 238693, 249795, 275415, 306891, 330498, 340990, 352170, 477386, 499590, 511485, 550830, 613782, 716079, 826245, 1022970, 1193465, 1432158, 1534455, 1652490, 2148237, 2386930, 3068910, 3580395, 4296474, 7160790, 10741185, 21482370]

約数ペア:

[(1, 21482370), (2, 10741185), (3, 7160790), (5, 4296474), (6, 3580395), (7, 3068910), (9, 2386930), (10, 2148237), (13, 1652490), (14, 1534455), (15, 1432158), (18, 1193465), (21, 1022970), (26, 826245), (30, 716079), (35, 613782), (39, 550830), (42, 511485), (43, 499590), (45, 477386), (61, 352170), (63, 340990), (65, 330498), (70, 306891), (78, 275415), (86, 249795), (90, 238693), (91, 236070), (105, 204594), (117, 183610), (122, 176085), (126, 170495), (129, 166530), (130, 165249), (182, 118035), (183, 117390), (195, 110166), (210, 102297), (215, 99918), (234, 91805), (258, 83265), (273, 78690), (301, 71370), (305, 70434), (315, 68198), (366, 58695), (387, 55510), (390, 55083), (427, 50310), (430, 49959), (455, 47214), (546, 39345), (549, 39130), (559, 38430), (585, 36722), (602, 35685), (610, 35217), (630, 34099), (645, 33306), (774, 27755), (793, 27090), (819, 26230), (854, 25155), (903, 23790), (910, 23607), (915, 23478), (1098, 19565), (1118, 19215), (1170, 18361), (1281, 16770), (1290, 16653), (1365, 15738), (1505, 14274), (1586, 13545), (1638, 13115), (1677, 12810), (1806, 11895), (1830, 11739), (1935, 11102), (2135, 10062), (2379, 9030), (2562, 8385), (2623, 8190), (2709, 7930), (2730, 7869), (2745, 7826), (2795, 7686), (3010, 7137), (3354, 6405), (3843, 5590), (3870, 5551), (3913, 5490), (3965, 5418), (4095, 5246), (4270, 5031), (4515, 4758)]