21721890752

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17863397}}^1$

素因数の和:17863428

約数の個数: 28

約数和(自身を含む): 45373030920

約数和(自身を除く): 23651140168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17863397, 35726794, 71453588, 142907176, 285814352, 339404543, 571628704, 678809086, 1143257408, 1357618172, 2715236344, 5430472688, 10860945376, 21721890752]

約数ペア:

[(1, 21721890752), (2, 10860945376), (4, 5430472688), (8, 2715236344), (16, 1357618172), (19, 1143257408), (32, 678809086), (38, 571628704), (64, 339404543), (76, 285814352), (152, 142907176), (304, 71453588), (608, 35726794), (1216, 17863397)]