21085536

素因数分解:

$2^5\times 3^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 34556064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 239, 478, 717, 919, 956, 1434, 1838, 1912, 2757, 2868, 3676, 3824, 5514, 5736, 7352, 7648, 11028, 11472, 14704, 22056, 22944, 29408, 44112, 88224, 219641, 439282, 658923, 878564, 1317846, 1757128, 2635692, 3514256, 5271384, 7028512, 10542768, 21085536]

約数ペア:

[(1, 21085536), (2, 10542768), (3, 7028512), (4, 5271384), (6, 3514256), (8, 2635692), (12, 1757128), (16, 1317846), (24, 878564), (32, 658923), (48, 439282), (96, 219641), (239, 88224), (478, 44112), (717, 29408), (919, 22944), (956, 22056), (1434, 14704), (1838, 11472), (1912, 11028), (2757, 7648), (2868, 7352), (3676, 5736), (3824, 5514)]