21155478

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 43221600

約数和(自身を除く): 22066122

約数列:

[1, 2, 3, 6, 89, 173, 178, 229, 267, 346, 458, 519, 534, 687, 1038, 1374, 15397, 20381, 30794, 39617, 40762, 46191, 61143, 79234, 92382, 118851, 122286, 237702, 3525913, 7051826, 10577739, 21155478]

約数ペア:

[(1, 21155478), (2, 10577739), (3, 7051826), (6, 3525913), (89, 237702), (173, 122286), (178, 118851), (229, 92382), (267, 79234), (346, 61143), (458, 46191), (519, 40762), (534, 39617), (687, 30794), (1038, 20381), (1374, 15397)]