21520512190

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2203}}^1\times {\mathrm{3121}}^1$

素因数の和:5644

約数の個数: 32

約数和(自身を含む): 38890778976

約数和(自身を除く): 17370266786

約数列:

[1, 2, 5, 10, 313, 626, 1565, 2203, 3121, 3130, 4406, 6242, 11015, 15605, 22030, 31210, 689539, 976873, 1379078, 1953746, 3447695, 4884365, 6875563, 6895390, 9768730, 13751126, 34377815, 68755630, 2152051219, 4304102438, 10760256095, 21520512190]

約数ペア:

[(1, 21520512190), (2, 10760256095), (5, 4304102438), (10, 2152051219), (313, 68755630), (626, 34377815), (1565, 13751126), (2203, 9768730), (3121, 6895390), (3130, 6875563), (4406, 4884365), (6242, 3447695), (11015, 1953746), (15605, 1379078), (22030, 976873), (31210, 689539)]