21075576

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 55209600

約数和(自身を除く): 34134024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 107, 116, 174, 214, 232, 283, 321, 348, 428, 566, 642, 696, 849, 856, 1132, 1284, 1698, 2264, 2568, 3103, 3396, 6206, 6792, 8207, 9309, 12412, 16414, 18618, 24621, 24824, 30281, 32828, 37236, 49242, 60562, 65656, 74472, 90843, 98484, 121124, 181686, 196968, 242248, 363372, 726744, 878149, 1756298, 2634447, 3512596, 5268894, 7025192, 10537788, 21075576]

約数ペア:

[(1, 21075576), (2, 10537788), (3, 7025192), (4, 5268894), (6, 3512596), (8, 2634447), (12, 1756298), (24, 878149), (29, 726744), (58, 363372), (87, 242248), (107, 196968), (116, 181686), (174, 121124), (214, 98484), (232, 90843), (283, 74472), (321, 65656), (348, 60562), (428, 49242), (566, 37236), (642, 32828), (696, 30281), (849, 24824), (856, 24621), (1132, 18618), (1284, 16414), (1698, 12412), (2264, 9309), (2568, 8207), (3103, 6792), (3396, 6206)]