2021781531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{13241}}^1$

素因数の和:13923

約数の個数: 32

約数和(自身を含む): 3366222336

約数和(自身を除く): 1344440805

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 661, 1983, 4627, 7271, 13241, 13881, 21813, 39723, 50897, 92687, 145651, 152691, 278061, 436953, 1019557, 3058671, 8752301, 26256903, 61266107, 96275311, 183798321, 288825933, 673927177, 2021781531]

約数ペア:

[(1, 2021781531), (3, 673927177), (7, 288825933), (11, 183798321), (21, 96275311), (33, 61266107), (77, 26256903), (231, 8752301), (661, 3058671), (1983, 1019557), (4627, 436953), (7271, 278061), (13241, 152691), (13881, 145651), (21813, 92687), (39723, 50897)]