21433390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 20868050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 719, 1355, 1438, 2710, 2981, 3595, 5962, 7190, 7909, 14905, 15818, 29810, 39545, 79090, 194849, 389698, 974245, 1948490, 2143339, 4286678, 10716695, 21433390]

約数ペア:

[(1, 21433390), (2, 10716695), (5, 4286678), (10, 2143339), (11, 1948490), (22, 974245), (55, 389698), (110, 194849), (271, 79090), (542, 39545), (719, 29810), (1355, 15818), (1438, 14905), (2710, 7909), (2981, 7190), (3595, 5962)]