21742968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 58988160

約数和(自身を除く): 37245192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 227, 307, 312, 454, 614, 681, 908, 921, 1228, 1362, 1816, 1842, 2456, 2724, 2951, 3684, 3991, 5448, 5902, 7368, 7982, 8853, 11804, 11973, 15964, 17706, 23608, 23946, 31928, 35412, 47892, 69689, 70824, 95784, 139378, 209067, 278756, 418134, 557512, 836268, 905957, 1672536, 1811914, 2717871, 3623828, 5435742, 7247656, 10871484, 21742968]

約数ペア:

[(1, 21742968), (2, 10871484), (3, 7247656), (4, 5435742), (6, 3623828), (8, 2717871), (12, 1811914), (13, 1672536), (24, 905957), (26, 836268), (39, 557512), (52, 418134), (78, 278756), (104, 209067), (156, 139378), (227, 95784), (307, 70824), (312, 69689), (454, 47892), (614, 35412), (681, 31928), (908, 23946), (921, 23608), (1228, 17706), (1362, 15964), (1816, 11973), (1842, 11804), (2456, 8853), (2724, 7982), (2951, 7368), (3684, 5902), (3991, 5448)]