21943774

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 24

約数和(自身を含む): 34611624

約数和(自身を除く): 12667850

約数列:

[1, 2, 41, 61, 82, 107, 122, 214, 1681, 2501, 3362, 4387, 5002, 6527, 8774, 13054, 102541, 179867, 205082, 267607, 359734, 535214, 10971887, 21943774]

約数ペア:

[(1, 21943774), (2, 10971887), (41, 535214), (61, 359734), (82, 267607), (107, 205082), (122, 179867), (214, 102541), (1681, 13054), (2501, 8774), (3362, 6527), (4387, 5002)]