21653072

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:1995

約数の個数: 40

約数和(自身を含む): 48437376

約数和(自身を除く): 26784304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 1877, 2884, 3754, 5768, 7508, 11536, 13139, 15016, 26278, 30032, 52556, 105112, 193331, 210224, 386662, 773324, 1353317, 1546648, 2706634, 3093296, 5413268, 10826536, 21653072]

約数ペア:

[(1, 21653072), (2, 10826536), (4, 5413268), (7, 3093296), (8, 2706634), (14, 1546648), (16, 1353317), (28, 773324), (56, 386662), (103, 210224), (112, 193331), (206, 105112), (412, 52556), (721, 30032), (824, 26278), (1442, 15016), (1648, 13139), (1877, 11536), (2884, 7508), (3754, 5768)]