21589968

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{2017}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 56051968

約数和(自身を除く): 34462000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 2017, 2676, 3568, 4034, 5352, 6051, 8068, 10704, 12102, 16136, 24204, 32272, 48408, 96816, 449791, 899582, 1349373, 1799164, 2698746, 3598328, 5397492, 7196656, 10794984, 21589968]

約数ペア:

[(1, 21589968), (2, 10794984), (3, 7196656), (4, 5397492), (6, 3598328), (8, 2698746), (12, 1799164), (16, 1349373), (24, 899582), (48, 449791), (223, 96816), (446, 48408), (669, 32272), (892, 24204), (1338, 16136), (1784, 12102), (2017, 10704), (2676, 8068), (3568, 6051), (4034, 5352)]