21293833

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 24120576

約数和(自身を除く): 2826743

約数列:

[1, 11, 37, 113, 407, 463, 1243, 4181, 5093, 17131, 45991, 52319, 188441, 575509, 1935803, 21293833]

約数ペア:

[(1, 21293833), (11, 1935803), (37, 575509), (113, 188441), (407, 52319), (463, 45991), (1243, 17131), (4181, 5093)]