21840766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5273}}^1$

素因数の和:5403

約数の個数: 16

約数和(自身を含む): 34808400

約数和(自身を除く): 12967634

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5273, 10546, 100187, 200374, 574757, 1149514, 10920383, 21840766]

約数ペア:

[(1, 21840766), (2, 10920383), (19, 1149514), (38, 574757), (109, 200374), (218, 100187), (2071, 10546), (4142, 5273)]