21369100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2203}}^1$

素因数の和:2314

約数の個数: 36

約数和(自身を含む): 46870264

約数和(自身を除く): 25501164

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2203, 2425, 4406, 4850, 8812, 9700, 11015, 22030, 44060, 55075, 110150, 213691, 220300, 427382, 854764, 1068455, 2136910, 4273820, 5342275, 10684550, 21369100]

約数ペア:

[(1, 21369100), (2, 10684550), (4, 5342275), (5, 4273820), (10, 2136910), (20, 1068455), (25, 854764), (50, 427382), (97, 220300), (100, 213691), (194, 110150), (388, 55075), (485, 44060), (970, 22030), (1940, 11015), (2203, 9700), (2425, 8812), (4406, 4850)]