21529204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3413}}^1$

素因数の和:3519

約数の個数: 24

約数和(自身を含む): 40148640

約数和(自身を除く): 18619436

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3413, 6308, 6826, 13652, 64847, 129694, 259388, 283279, 566558, 1133116, 5382301, 10764602, 21529204]

約数ペア:

[(1, 21529204), (2, 10764602), (4, 5382301), (19, 1133116), (38, 566558), (76, 283279), (83, 259388), (166, 129694), (332, 64847), (1577, 13652), (3154, 6826), (3413, 6308)]