21181338

素因数分解:

$2^1\times 3^5\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 27617958

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 369, 486, 738, 1063, 1107, 2126, 2214, 3189, 3321, 6378, 6642, 9567, 9963, 19134, 19926, 28701, 43583, 57402, 86103, 87166, 130749, 172206, 258309, 261498, 392247, 516618, 784494, 1176741, 2353482, 3530223, 7060446, 10590669, 21181338]

約数ペア:

[(1, 21181338), (2, 10590669), (3, 7060446), (6, 3530223), (9, 2353482), (18, 1176741), (27, 784494), (41, 516618), (54, 392247), (81, 261498), (82, 258309), (123, 172206), (162, 130749), (243, 87166), (246, 86103), (369, 57402), (486, 43583), (738, 28701), (1063, 19926), (1107, 19134), (2126, 9963), (2214, 9567), (3189, 6642), (3321, 6378)]