21431312

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1069}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 47764800

約数和(自身を除く): 26333488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1069, 1253, 1432, 2138, 2506, 2864, 4276, 5012, 7483, 8552, 10024, 14966, 17104, 20048, 29932, 59864, 119728, 191351, 382702, 765404, 1339457, 1530808, 2678914, 3061616, 5357828, 10715656, 21431312]

約数ペア:

[(1, 21431312), (2, 10715656), (4, 5357828), (7, 3061616), (8, 2678914), (14, 1530808), (16, 1339457), (28, 765404), (56, 382702), (112, 191351), (179, 119728), (358, 59864), (716, 29932), (1069, 20048), (1253, 17104), (1432, 14966), (2138, 10024), (2506, 8552), (2864, 7483), (4276, 5012)]