21955375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 30139200

約数和(自身を除く): 8183825

約数列:

[1, 5, 13, 25, 59, 65, 125, 229, 295, 325, 767, 1145, 1475, 1625, 2977, 3835, 5725, 7375, 13511, 14885, 19175, 28625, 67555, 74425, 95875, 175643, 337775, 372125, 878215, 1688875, 4391075, 21955375]

約数ペア:

[(1, 21955375), (5, 4391075), (13, 1688875), (25, 878215), (59, 372125), (65, 337775), (125, 175643), (229, 95875), (295, 74425), (325, 67555), (767, 28625), (1145, 19175), (1475, 14885), (1625, 13511), (2977, 7375), (3835, 5725)]