21203656

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19620344

約数列:

[1, 2, 4, 8, 59, 118, 167, 236, 269, 334, 472, 538, 668, 1076, 1336, 2152, 9853, 15871, 19706, 31742, 39412, 44923, 63484, 78824, 89846, 126968, 179692, 359384, 2650457, 5300914, 10601828, 21203656]

約数ペア:

[(1, 21203656), (2, 10601828), (4, 5300914), (8, 2650457), (59, 359384), (118, 179692), (167, 126968), (236, 89846), (269, 78824), (334, 63484), (472, 44923), (538, 39412), (668, 31742), (1076, 19706), (1336, 15871), (2152, 9853)]