21763825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 29295000

約数和(自身を除く): 7531175

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1249, 3485, 6245, 17425, 21233, 31225, 51209, 106165, 256045, 530825, 870553, 1280225, 4352765, 21763825]

約数ペア:

[(1, 21763825), (5, 4352765), (17, 1280225), (25, 870553), (41, 530825), (85, 256045), (205, 106165), (425, 51209), (697, 31225), (1025, 21233), (1249, 17425), (3485, 6245)]