21761476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13367}}^1$

素因数の和:13419

約数の個数: 24

約数和(自身を含む): 42670656

約数和(自身を除く): 20909180

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13367, 26734, 53468, 147037, 294074, 494579, 588148, 989158, 1978316, 5440369, 10880738, 21761476]

約数ペア:

[(1, 21761476), (2, 10880738), (4, 5440369), (11, 1978316), (22, 989158), (37, 588148), (44, 494579), (74, 294074), (148, 147037), (407, 53468), (814, 26734), (1628, 13367)]