21418670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23537}}^1$

素因数の和:23564

約数の個数: 32

約数和(自身を含む): 47452608

約数和(自身を除く): 26033938

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23537, 47074, 117685, 164759, 235370, 305981, 329518, 611962, 823795, 1529905, 1647590, 2141867, 3059810, 4283734, 10709335, 21418670]

約数ペア:

[(1, 21418670), (2, 10709335), (5, 4283734), (7, 3059810), (10, 2141867), (13, 1647590), (14, 1529905), (26, 823795), (35, 611962), (65, 329518), (70, 305981), (91, 235370), (130, 164759), (182, 117685), (455, 47074), (910, 23537)]