21834454

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{827}}^1$

素因数の和:1179

約数の個数: 16

約数和(自身を含む): 33663168

約数和(自身を除く): 11828714

約数列:

[1, 2, 43, 86, 307, 614, 827, 1654, 13201, 26402, 35561, 71122, 253889, 507778, 10917227, 21834454]

約数ペア:

[(1, 21834454), (2, 10917227), (43, 507778), (86, 253889), (307, 71122), (614, 35561), (827, 26402), (1654, 13201)]