21938528

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{11239}}^1$

素因数の和:11310

約数の個数: 24

約数和(自身を含む): 43903440

約数和(自身を除く): 21964912

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 11239, 22478, 44956, 89912, 179824, 359648, 685579, 1371158, 2742316, 5484632, 10969264, 21938528]

約数ペア:

[(1, 21938528), (2, 10969264), (4, 5484632), (8, 2742316), (16, 1371158), (32, 685579), (61, 359648), (122, 179824), (244, 89912), (488, 44956), (976, 22478), (1952, 11239)]