21510610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11503}}^1$

素因数の和:11538

約数の個数: 32

約数和(自身を含む): 44727552

約数和(自身を除く): 23216942

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11503, 23006, 57515, 115030, 126533, 195551, 253066, 391102, 632665, 977755, 1265330, 1955510, 2151061, 4302122, 10755305, 21510610]

約数ペア:

[(1, 21510610), (2, 10755305), (5, 4302122), (10, 2151061), (11, 1955510), (17, 1265330), (22, 977755), (34, 632665), (55, 391102), (85, 253066), (110, 195551), (170, 126533), (187, 115030), (374, 57515), (935, 23006), (1870, 11503)]