21004599

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 14384841

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1151, 1659, 2607, 3453, 6083, 8057, 12661, 18249, 24171, 37983, 88627, 90929, 265881, 272787, 636503, 1000219, 1909509, 3000657, 7001533, 21004599]

約数ペア:

[(1, 21004599), (3, 7001533), (7, 3000657), (11, 1909509), (21, 1000219), (33, 636503), (77, 272787), (79, 265881), (231, 90929), (237, 88627), (553, 37983), (869, 24171), (1151, 18249), (1659, 12661), (2607, 8057), (3453, 6083)]