21254058

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 34516566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 47, 63, 74, 94, 97, 111, 126, 141, 194, 222, 259, 282, 291, 329, 333, 423, 518, 582, 658, 666, 679, 777, 846, 873, 987, 1358, 1554, 1739, 1746, 1974, 2037, 2331, 2961, 3478, 3589, 4074, 4559, 4662, 5217, 5922, 6111, 7178, 9118, 10434, 10767, 12173, 12222, 13677, 15651, 21534, 24346, 25123, 27354, 31302, 31913, 32301, 36519, 41031, 50246, 63826, 64602, 73038, 75369, 82062, 95739, 109557, 150738, 168683, 191478, 219114, 226107, 287217, 337366, 452214, 506049, 574434, 1012098, 1180781, 1518147, 2361562, 3036294, 3542343, 7084686, 10627029, 21254058]

約数ペア:

[(1, 21254058), (2, 10627029), (3, 7084686), (6, 3542343), (7, 3036294), (9, 2361562), (14, 1518147), (18, 1180781), (21, 1012098), (37, 574434), (42, 506049), (47, 452214), (63, 337366), (74, 287217), (94, 226107), (97, 219114), (111, 191478), (126, 168683), (141, 150738), (194, 109557), (222, 95739), (259, 82062), (282, 75369), (291, 73038), (329, 64602), (333, 63826), (423, 50246), (518, 41031), (582, 36519), (658, 32301), (666, 31913), (679, 31302), (777, 27354), (846, 25123), (873, 24346), (987, 21534), (1358, 15651), (1554, 13677), (1739, 12222), (1746, 12173), (1974, 10767), (2037, 10434), (2331, 9118), (2961, 7178), (3478, 6111), (3589, 5922), (4074, 5217), (4559, 4662)]