21344510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3181}}^1$

素因数の和:3260

約数の個数: 32

約数和(自身を含む): 42613344

約数和(自身を除く): 21268834

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3181, 3355, 6362, 6710, 15905, 31810, 34991, 69982, 174955, 194041, 349910, 388082, 970205, 1940410, 2134451, 4268902, 10672255, 21344510]

約数ペア:

[(1, 21344510), (2, 10672255), (5, 4268902), (10, 2134451), (11, 1940410), (22, 970205), (55, 388082), (61, 349910), (110, 194041), (122, 174955), (305, 69982), (610, 34991), (671, 31810), (1342, 15905), (3181, 6710), (3355, 6362)]