21356830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6263}}^1$

素因数の和:6312

約数の個数: 32

約数和(自身を含む): 43296768

約数和(自身を除く): 21939938

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6263, 12526, 31315, 62630, 68893, 137786, 194153, 344465, 388306, 688930, 970765, 1941530, 2135683, 4271366, 10678415, 21356830]

約数ペア:

[(1, 21356830), (2, 10678415), (5, 4271366), (10, 2135683), (11, 1941530), (22, 970765), (31, 688930), (55, 388306), (62, 344465), (110, 194153), (155, 137786), (310, 68893), (341, 62630), (682, 31315), (1705, 12526), (3410, 6263)]