21690768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41081}}^1$

素因数の和:41103

約数の個数: 40

約数和(自身を含む): 61130016

約数和(自身を除く): 39439248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 41081, 82162, 123243, 164324, 246486, 328648, 451891, 492972, 657296, 903782, 985944, 1355673, 1807564, 1971888, 2711346, 3615128, 5422692, 7230256, 10845384, 21690768]

約数ペア:

[(1, 21690768), (2, 10845384), (3, 7230256), (4, 5422692), (6, 3615128), (8, 2711346), (11, 1971888), (12, 1807564), (16, 1355673), (22, 985944), (24, 903782), (33, 657296), (44, 492972), (48, 451891), (66, 328648), (88, 246486), (132, 164324), (176, 123243), (264, 82162), (528, 41081)]