21250116

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2647}}^1$

素因数の和:2880

約数の個数: 36

約数和(自身を含む): 53976832

約数和(自身を除く): 32726716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2647, 2676, 4014, 5294, 7941, 8028, 10588, 15882, 23823, 31764, 47646, 95292, 590281, 1180562, 1770843, 2361124, 3541686, 5312529, 7083372, 10625058, 21250116]

約数ペア:

[(1, 21250116), (2, 10625058), (3, 7083372), (4, 5312529), (6, 3541686), (9, 2361124), (12, 1770843), (18, 1180562), (36, 590281), (223, 95292), (446, 47646), (669, 31764), (892, 23823), (1338, 15882), (2007, 10588), (2647, 8028), (2676, 7941), (4014, 5294)]