21295512

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 50589288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 31, 36, 42, 47, 56, 58, 62, 63, 72, 84, 87, 93, 94, 116, 124, 126, 141, 168, 174, 186, 188, 203, 217, 232, 248, 252, 261, 279, 282, 329, 348, 372, 376, 406, 423, 434, 504, 522, 558, 564, 609, 651, 658, 696, 744, 812, 846, 868, 899, 987, 1044, 1116, 1128, 1218, 1302, 1316, 1363, 1457, 1624, 1692, 1736, 1798, 1827, 1953, 1974, 2088, 2232, 2436, 2604, 2632, 2697, 2726, 2914, 2961, 3384, 3596, 3654, 3906, 3948, 4089, 4371, 4872, 5208, 5394, 5452, 5828, 5922, 6293, 7192, 7308, 7812, 7896, 8091, 8178, 8742, 9541, 10199, 10788, 10904, 11656, 11844, 12267, 12586, 13113, 14616, 15624, 16182, 16356, 17484, 18879, 19082, 20398, 21576, 23688, 24534, 25172, 26226, 28623, 30597, 32364, 32712, 34968, 37758, 38164, 40796, 42253, 49068, 50344, 52452, 56637, 57246, 61194, 64728, 75516, 76328, 81592, 84506, 85869, 91791, 98136, 104904, 113274, 114492, 122388, 126759, 151032, 169012, 171738, 183582, 226548, 228984, 244776, 253518, 295771, 338024, 343476, 367164, 380277, 453096, 507036, 591542, 686952, 734328, 760554, 887313, 1014072, 1183084, 1521108, 1774626, 2366168, 2661939, 3042216, 3549252, 5323878, 7098504, 10647756, 21295512]

約数ペア:

[(1, 21295512), (2, 10647756), (3, 7098504), (4, 5323878), (6, 3549252), (7, 3042216), (8, 2661939), (9, 2366168), (12, 1774626), (14, 1521108), (18, 1183084), (21, 1014072), (24, 887313), (28, 760554), (29, 734328), (31, 686952), (36, 591542), (42, 507036), (47, 453096), (56, 380277), (58, 367164), (62, 343476), (63, 338024), (72, 295771), (84, 253518), (87, 244776), (93, 228984), (94, 226548), (116, 183582), (124, 171738), (126, 169012), (141, 151032), (168, 126759), (174, 122388), (186, 114492), (188, 113274), (203, 104904), (217, 98136), (232, 91791), (248, 85869), (252, 84506), (261, 81592), (279, 76328), (282, 75516), (329, 64728), (348, 61194), (372, 57246), (376, 56637), (406, 52452), (423, 50344), (434, 49068), (504, 42253), (522, 40796), (558, 38164), (564, 37758), (609, 34968), (651, 32712), (658, 32364), (696, 30597), (744, 28623), (812, 26226), (846, 25172), (868, 24534), (899, 23688), (987, 21576), (1044, 20398), (1116, 19082), (1128, 18879), (1218, 17484), (1302, 16356), (1316, 16182), (1363, 15624), (1457, 14616), (1624, 13113), (1692, 12586), (1736, 12267), (1798, 11844), (1827, 11656), (1953, 10904), (1974, 10788), (2088, 10199), (2232, 9541), (2436, 8742), (2604, 8178), (2632, 8091), (2697, 7896), (2726, 7812), (2914, 7308), (2961, 7192), (3384, 6293), (3596, 5922), (3654, 5828), (3906, 5452), (3948, 5394), (4089, 5208), (4371, 4872)]