21235035596

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1\times {\mathrm{1997}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 38314031616

約数和(自身を除く): 17078996020

約数列:

[1, 2, 4, 47, 94, 163, 188, 326, 347, 652, 694, 1388, 1997, 3994, 7661, 7988, 15322, 16309, 30644, 32618, 56561, 65236, 93859, 113122, 187718, 226244, 325511, 375436, 651022, 692959, 1302044, 1385918, 2658367, 2771836, 5316734, 10633468, 15299017, 30598034, 32569073, 61196068, 65138146, 112952317, 130276292, 225904634, 451809268, 5308758899, 10617517798, 21235035596]

約数ペア:

[(1, 21235035596), (2, 10617517798), (4, 5308758899), (47, 451809268), (94, 225904634), (163, 130276292), (188, 112952317), (326, 65138146), (347, 61196068), (652, 32569073), (694, 30598034), (1388, 15299017), (1997, 10633468), (3994, 5316734), (7661, 2771836), (7988, 2658367), (15322, 1385918), (16309, 1302044), (30644, 692959), (32618, 651022), (56561, 375436), (65236, 325511), (93859, 226244), (113122, 187718)]