21562288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 46064016

約数和(自身を除く): 24501728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1213, 1616, 2222, 2426, 4444, 4852, 8888, 9704, 13343, 17776, 19408, 26686, 53372, 106744, 122513, 213488, 245026, 490052, 980104, 1347643, 1960208, 2695286, 5390572, 10781144, 21562288]

約数ペア:

[(1, 21562288), (2, 10781144), (4, 5390572), (8, 2695286), (11, 1960208), (16, 1347643), (22, 980104), (44, 490052), (88, 245026), (101, 213488), (176, 122513), (202, 106744), (404, 53372), (808, 26686), (1111, 19408), (1213, 17776), (1616, 13343), (2222, 9704), (2426, 8888), (4444, 4852)]