21360356

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 39123000

約数和(自身を除く): 17762644

約数列:

[1, 2, 4, 29, 58, 89, 116, 178, 356, 2069, 2581, 4138, 5162, 8276, 10324, 60001, 120002, 184141, 240004, 368282, 736564, 5340089, 10680178, 21360356]

約数ペア:

[(1, 21360356), (2, 10680178), (4, 5340089), (29, 736564), (58, 368282), (89, 240004), (116, 184141), (178, 120002), (356, 60001), (2069, 10324), (2581, 8276), (4138, 5162)]