21350010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2139

約数の個数: 64

約数和(自身を含む): 57729024

約数和(自身を除く): 36379014

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 2087, 3410, 4174, 5115, 6261, 10230, 10435, 12522, 20870, 22957, 31305, 45914, 62610, 64697, 68871, 114785, 129394, 137742, 194091, 229570, 323485, 344355, 388182, 646970, 688710, 711667, 970455, 1423334, 1940910, 2135001, 3558335, 4270002, 7116670, 10675005, 21350010]

約数ペア:

[(1, 21350010), (2, 10675005), (3, 7116670), (5, 4270002), (6, 3558335), (10, 2135001), (11, 1940910), (15, 1423334), (22, 970455), (30, 711667), (31, 688710), (33, 646970), (55, 388182), (62, 344355), (66, 323485), (93, 229570), (110, 194091), (155, 137742), (165, 129394), (186, 114785), (310, 68871), (330, 64697), (341, 62610), (465, 45914), (682, 31305), (930, 22957), (1023, 20870), (1705, 12522), (2046, 10435), (2087, 10230), (3410, 6261), (4174, 5115)]