21340710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7649}}^1$

素因数の和:7693

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 35942490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7649, 15298, 22947, 38245, 45894, 68841, 76490, 114735, 137682, 229470, 237119, 344205, 474238, 688410, 711357, 1185595, 1422714, 2134071, 2371190, 3556785, 4268142, 7113570, 10670355, 21340710]

約数ペア:

[(1, 21340710), (2, 10670355), (3, 7113570), (5, 4268142), (6, 3556785), (9, 2371190), (10, 2134071), (15, 1422714), (18, 1185595), (30, 711357), (31, 688410), (45, 474238), (62, 344205), (90, 237119), (93, 229470), (155, 137682), (186, 114735), (279, 76490), (310, 68841), (465, 45894), (558, 38245), (930, 22947), (1395, 15298), (2790, 7649)]