21137990062

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25590787}}^1$

素因数の和:25590855

約数の個数: 16

約数和(自身を含む): 36850734720

約数和(自身を除く): 15712744658

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 25590787, 51181574, 179135509, 358271018, 1509856433, 3019712866, 10568995031, 21137990062]

約数ペア:

[(1, 21137990062), (2, 10568995031), (7, 3019712866), (14, 1509856433), (59, 358271018), (118, 179135509), (413, 51181574), (826, 25590787)]