21572830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 41516064

約数和(自身を除く): 19943234

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 565, 1123, 1130, 1921, 2246, 3842, 5615, 9605, 11230, 19091, 19210, 38182, 95455, 126899, 190910, 253798, 634495, 1268990, 2157283, 4314566, 10786415, 21572830]

約数ペア:

[(1, 21572830), (2, 10786415), (5, 4314566), (10, 2157283), (17, 1268990), (34, 634495), (85, 253798), (113, 190910), (170, 126899), (226, 95455), (565, 38182), (1123, 19210), (1130, 19091), (1921, 11230), (2246, 9605), (3842, 5615)]