21006696

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51487}}^1$

素因数の和:51513

約数の個数: 32

約数和(自身を含む): 55607040

約数和(自身を除く): 34600344

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51487, 102974, 154461, 205948, 308922, 411896, 617844, 875279, 1235688, 1750558, 2625837, 3501116, 5251674, 7002232, 10503348, 21006696]

約数ペア:

[(1, 21006696), (2, 10503348), (3, 7002232), (4, 5251674), (6, 3501116), (8, 2625837), (12, 1750558), (17, 1235688), (24, 875279), (34, 617844), (51, 411896), (68, 308922), (102, 205948), (136, 154461), (204, 102974), (408, 51487)]