21244960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12071}}^1$

素因数の和:12097

約数の個数: 48

約数和(自身を含む): 54758592

約数和(自身を除く): 33513632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12071, 24142, 48284, 60355, 96568, 120710, 132781, 193136, 241420, 265562, 386272, 482840, 531124, 663905, 965680, 1062248, 1327810, 1931360, 2124496, 2655620, 4248992, 5311240, 10622480, 21244960]

約数ペア:

[(1, 21244960), (2, 10622480), (4, 5311240), (5, 4248992), (8, 2655620), (10, 2124496), (11, 1931360), (16, 1327810), (20, 1062248), (22, 965680), (32, 663905), (40, 531124), (44, 482840), (55, 386272), (80, 265562), (88, 241420), (110, 193136), (160, 132781), (176, 120710), (220, 96568), (352, 60355), (440, 48284), (880, 24142), (1760, 12071)]