21971494

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:815

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 11517146

約数列:

[1, 2, 113, 191, 226, 382, 509, 1018, 21583, 43166, 57517, 97219, 115034, 194438, 10985747, 21971494]

約数ペア:

[(1, 21971494), (2, 10985747), (113, 194438), (191, 115034), (226, 97219), (382, 57517), (509, 43166), (1018, 21583)]