21940116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 34185324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 347, 479, 694, 958, 1041, 1388, 1437, 1916, 2082, 2874, 3817, 4164, 5269, 5748, 7634, 10538, 11451, 15268, 15807, 21076, 22902, 31614, 45804, 63228, 166213, 332426, 498639, 664852, 997278, 1828343, 1994556, 3656686, 5485029, 7313372, 10970058, 21940116]

約数ペア:

[(1, 21940116), (2, 10970058), (3, 7313372), (4, 5485029), (6, 3656686), (11, 1994556), (12, 1828343), (22, 997278), (33, 664852), (44, 498639), (66, 332426), (132, 166213), (347, 63228), (479, 45804), (694, 31614), (958, 22902), (1041, 21076), (1388, 15807), (1437, 15268), (1916, 11451), (2082, 10538), (2874, 7634), (3817, 5748), (4164, 5269)]