21535352

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20549}}^1$

素因数の和:20686

約数の個数: 16

約数和(自身を含む): 40689000

約数和(自身を除く): 19153648

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20549, 41098, 82196, 164392, 2691919, 5383838, 10767676, 21535352]

約数ペア:

[(1, 21535352), (2, 10767676), (4, 5383838), (8, 2691919), (131, 164392), (262, 82196), (524, 41098), (1048, 20549)]