21732920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49393}}^1$

素因数の和:49415

約数の個数: 32

約数和(自身を含む): 53345520

約数和(自身を除く): 31612600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49393, 98786, 197572, 246965, 395144, 493930, 543323, 987860, 1086646, 1975720, 2173292, 2716615, 4346584, 5433230, 10866460, 21732920]

約数ペア:

[(1, 21732920), (2, 10866460), (4, 5433230), (5, 4346584), (8, 2716615), (10, 2173292), (11, 1975720), (20, 1086646), (22, 987860), (40, 543323), (44, 493930), (55, 395144), (88, 246965), (110, 197572), (220, 98786), (440, 49393)]