21197492

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{4457}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 39319560

約数和(自身を除く): 18122068

約数列:

[1, 2, 4, 29, 41, 58, 82, 116, 164, 1189, 2378, 4457, 4756, 8914, 17828, 129253, 182737, 258506, 365474, 517012, 730948, 5299373, 10598746, 21197492]

約数ペア:

[(1, 21197492), (2, 10598746), (4, 5299373), (29, 730948), (41, 517012), (58, 365474), (82, 258506), (116, 182737), (164, 129253), (1189, 17828), (2378, 8914), (4457, 4756)]