21857139616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52541201}}^1$

素因数の和:52541224

約数の個数: 24

約数和(自身を含む): 46341340164

約数和(自身を除く): 24484200548

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52541201, 105082402, 210164804, 420329608, 683035613, 840659216, 1366071226, 1681318432, 2732142452, 5464284904, 10928569808, 21857139616]

約数ペア:

[(1, 21857139616), (2, 10928569808), (4, 5464284904), (8, 2732142452), (13, 1681318432), (16, 1366071226), (26, 840659216), (32, 683035613), (52, 420329608), (104, 210164804), (208, 105082402), (416, 52541201)]