21071031842

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1319083}}^1$

素因数の和:1319262

約数の個数: 24

約数和(自身を含む): 36992391696

約数和(自身を除く): 15921359854

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 2282, 7987, 15974, 1319083, 2638166, 9233581, 18467162, 64635067, 129270134, 215010529, 430021058, 1505073703, 3010147406, 10535515921, 21071031842]

約数ペア:

[(1, 21071031842), (2, 10535515921), (7, 3010147406), (14, 1505073703), (49, 430021058), (98, 215010529), (163, 129270134), (326, 64635067), (1141, 18467162), (2282, 9233581), (7987, 2638166), (15974, 1319083)]