21315098

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1106

約数の個数: 24

約数和(自身を含む): 37379232

約数和(自身を除く): 16064134

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 827, 1654, 1841, 3682, 5789, 11578, 12887, 25774, 40523, 81046, 217501, 435002, 1522507, 3045014, 10657549, 21315098]

約数ペア:

[(1, 21315098), (2, 10657549), (7, 3045014), (14, 1522507), (49, 435002), (98, 217501), (263, 81046), (526, 40523), (827, 25774), (1654, 12887), (1841, 11578), (3682, 5789)]