21740617731

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1847}}^1\times {\mathrm{15149}}^1$

素因数の和:17043

約数の個数: 32

約数和(自身を含む): 34044595200

約数和(自身を除く): 12303977469

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1847, 5541, 12929, 15149, 38787, 45447, 68339, 106043, 205017, 318129, 478373, 560513, 1435119, 1681539, 3923591, 11770773, 27980203, 83940609, 195861421, 587584263, 1035267511, 3105802533, 7246872577, 21740617731]

約数ペア:

[(1, 21740617731), (3, 7246872577), (7, 3105802533), (21, 1035267511), (37, 587584263), (111, 195861421), (259, 83940609), (777, 27980203), (1847, 11770773), (5541, 3923591), (12929, 1681539), (15149, 1435119), (38787, 560513), (45447, 478373), (68339, 318129), (106043, 205017)]