21575256

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 56954880

約数和(自身を除く): 35379624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 564, 617, 744, 1128, 1234, 1457, 1851, 2468, 2914, 3702, 4371, 4936, 5828, 7404, 8742, 11656, 14808, 17484, 19127, 28999, 34968, 38254, 57381, 57998, 76508, 86997, 114762, 115996, 153016, 173994, 229524, 231992, 347988, 459048, 695976, 898969, 1797938, 2696907, 3595876, 5393814, 7191752, 10787628, 21575256]

約数ペア:

[(1, 21575256), (2, 10787628), (3, 7191752), (4, 5393814), (6, 3595876), (8, 2696907), (12, 1797938), (24, 898969), (31, 695976), (47, 459048), (62, 347988), (93, 231992), (94, 229524), (124, 173994), (141, 153016), (186, 115996), (188, 114762), (248, 86997), (282, 76508), (372, 57998), (376, 57381), (564, 38254), (617, 34968), (744, 28999), (1128, 19127), (1234, 17484), (1457, 14808), (1851, 11656), (2468, 8742), (2914, 7404), (3702, 5828), (4371, 4936)]