21352395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1049}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14935605

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1049, 1357, 3147, 4071, 5245, 6785, 15735, 20355, 24127, 61891, 72381, 120635, 185673, 309455, 361905, 928365, 1423493, 4270479, 7117465, 21352395]

約数ペア:

[(1, 21352395), (3, 7117465), (5, 4270479), (15, 1423493), (23, 928365), (59, 361905), (69, 309455), (115, 185673), (177, 120635), (295, 72381), (345, 61891), (885, 24127), (1049, 20355), (1357, 15735), (3147, 6785), (4071, 5245)]