21874886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2543}}^1$

素因数の和:2596

約数の個数: 32

約数和(自身を含む): 39564288

約数和(自身を除く): 17689402

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2543, 4301, 5086, 8602, 27973, 43231, 55946, 58489, 86462, 116978, 475541, 643379, 951082, 994313, 1286758, 1988626, 10937443, 21874886]

約数ペア:

[(1, 21874886), (2, 10937443), (11, 1988626), (17, 1286758), (22, 994313), (23, 951082), (34, 643379), (46, 475541), (187, 116978), (253, 86462), (374, 58489), (391, 55946), (506, 43231), (782, 27973), (2543, 8602), (4301, 5086)]