21862120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{78079}}^1$

素因数の和:78097

約数の個数: 32

約数和(自身を含む): 56217600

約数和(自身を除く): 34355480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 78079, 156158, 312316, 390395, 546553, 624632, 780790, 1093106, 1561580, 2186212, 2732765, 3123160, 4372424, 5465530, 10931060, 21862120]

約数ペア:

[(1, 21862120), (2, 10931060), (4, 5465530), (5, 4372424), (7, 3123160), (8, 2732765), (10, 2186212), (14, 1561580), (20, 1093106), (28, 780790), (35, 624632), (40, 546553), (56, 390395), (70, 312316), (140, 156158), (280, 78079)]