21460288784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{392069}}^1$

素因数の和:392399

約数の個数: 40

約数和(自身を含む): 45505212480

約数和(自身を除く): 24044923696

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 311, 622, 1244, 2488, 3421, 4976, 6842, 13684, 27368, 54736, 392069, 784138, 1568276, 3136552, 4312759, 6273104, 8625518, 17251036, 34502072, 69004144, 121933459, 243866918, 487733836, 975467672, 1341268049, 1950935344, 2682536098, 5365072196, 10730144392, 21460288784]

約数ペア:

[(1, 21460288784), (2, 10730144392), (4, 5365072196), (8, 2682536098), (11, 1950935344), (16, 1341268049), (22, 975467672), (44, 487733836), (88, 243866918), (176, 121933459), (311, 69004144), (622, 34502072), (1244, 17251036), (2488, 8625518), (3421, 6273104), (4976, 4312759), (6842, 3136552), (13684, 1568276), (27368, 784138), (54736, 392069)]