21001132

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 37442160

約数和(自身を除く): 16441028

約数列:

[1, 2, 4, 101, 202, 227, 229, 404, 454, 458, 908, 916, 22927, 23129, 45854, 46258, 51983, 91708, 92516, 103966, 207932, 5250283, 10500566, 21001132]

約数ペア:

[(1, 21001132), (2, 10500566), (4, 5250283), (101, 207932), (202, 103966), (227, 92516), (229, 91708), (404, 51983), (454, 46258), (458, 45854), (908, 23129), (916, 22927)]