21091444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25229}}^1$

素因数の和:25263

約数の個数: 24

約数和(自身を含む): 42386400

約数和(自身を除く): 21294956

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25229, 50458, 100916, 277519, 479351, 555038, 958702, 1110076, 1917404, 5272861, 10545722, 21091444]

約数ペア:

[(1, 21091444), (2, 10545722), (4, 5272861), (11, 1917404), (19, 1110076), (22, 958702), (38, 555038), (44, 479351), (76, 277519), (209, 100916), (418, 50458), (836, 25229)]