21000901292

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6637453}}^1$

素因数の和:6637577

約数の個数: 24

約数和(自身を含む): 42373506336

約数和(自身を除く): 21372605044

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6637453, 13274906, 26549812, 46462171, 92924342, 185848684, 750032189, 1500064378, 3000128756, 5250225323, 10500450646, 21000901292]

約数ペア:

[(1, 21000901292), (2, 10500450646), (4, 5250225323), (7, 3000128756), (14, 1500064378), (28, 750032189), (113, 185848684), (226, 92924342), (452, 46462171), (791, 26549812), (1582, 13274906), (3164, 6637453)]