21132712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3391}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 21606488

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3391, 6232, 6782, 13564, 27128, 64429, 128858, 139031, 257716, 278062, 515432, 556124, 1112248, 2641589, 5283178, 10566356, 21132712]

約数ペア:

[(1, 21132712), (2, 10566356), (4, 5283178), (8, 2641589), (19, 1112248), (38, 556124), (41, 515432), (76, 278062), (82, 257716), (152, 139031), (164, 128858), (328, 64429), (779, 27128), (1558, 13564), (3116, 6782), (3391, 6232)]