21263668974

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{691}}^1\times {\mathrm{10889}}^1$

素因数の和:11745

約数の個数: 48

約数和(自身を含む): 46436092560

約数和(自身を除く): 25172423586

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 691, 942, 1382, 1413, 2073, 2826, 4146, 6219, 10889, 12438, 21778, 32667, 65334, 98001, 108487, 196002, 216974, 325461, 650922, 976383, 1709573, 1952766, 3419146, 5128719, 7524299, 10257438, 15048598, 15386157, 22572897, 30772314, 45145794, 67718691, 135437382, 1181314943, 2362629886, 3543944829, 7087889658, 10631834487, 21263668974]

約数ペア:

[(1, 21263668974), (2, 10631834487), (3, 7087889658), (6, 3543944829), (9, 2362629886), (18, 1181314943), (157, 135437382), (314, 67718691), (471, 45145794), (691, 30772314), (942, 22572897), (1382, 15386157), (1413, 15048598), (2073, 10257438), (2826, 7524299), (4146, 5128719), (6219, 3419146), (10889, 1952766), (12438, 1709573), (21778, 976383), (32667, 650922), (65334, 325461), (98001, 216974), (108487, 196002)]