21267896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5527}}^1$

素因数の和:5583

約数の個数: 32

約数和(自身を含む): 44113440

約数和(自身を除く): 22845544

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5527, 11054, 22108, 44216, 71851, 143702, 204499, 287404, 408998, 574808, 817996, 1635992, 2658487, 5316974, 10633948, 21267896]

約数ペア:

[(1, 21267896), (2, 10633948), (4, 5316974), (8, 2658487), (13, 1635992), (26, 817996), (37, 574808), (52, 408998), (74, 287404), (104, 204499), (148, 143702), (296, 71851), (481, 44216), (962, 22108), (1924, 11054), (3848, 5527)]