21777380

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2843}}^1$

素因数の和:3235

約数の個数: 24

約数和(自身を含む): 45868032

約数和(自身を除く): 24090652

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2843, 3830, 5686, 7660, 11372, 14215, 28430, 56860, 1088869, 2177738, 4355476, 5444345, 10888690, 21777380]

約数ペア:

[(1, 21777380), (2, 10888690), (4, 5444345), (5, 4355476), (10, 2177738), (20, 1088869), (383, 56860), (766, 28430), (1532, 14215), (1915, 11372), (2843, 7660), (3830, 5686)]