21452916

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 30257484

約数列:

[1, 2, 3, 4, 6, 12, 53, 89, 106, 159, 178, 212, 267, 318, 356, 379, 534, 636, 758, 1068, 1137, 1516, 2274, 4548, 4717, 9434, 14151, 18868, 20087, 28302, 33731, 40174, 56604, 60261, 67462, 80348, 101193, 120522, 134924, 202386, 241044, 404772, 1787743, 3575486, 5363229, 7150972, 10726458, 21452916]

約数ペア:

[(1, 21452916), (2, 10726458), (3, 7150972), (4, 5363229), (6, 3575486), (12, 1787743), (53, 404772), (89, 241044), (106, 202386), (159, 134924), (178, 120522), (212, 101193), (267, 80348), (318, 67462), (356, 60261), (379, 56604), (534, 40174), (636, 33731), (758, 28302), (1068, 20087), (1137, 18868), (1516, 14151), (2274, 9434), (4548, 4717)]