21869353

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 25067520

約数和(自身を除く): 3198167

約数列:

[1, 11, 31, 59, 341, 649, 1087, 1829, 11957, 20119, 33697, 64133, 370667, 705463, 1988123, 21869353]

約数ペア:

[(1, 21869353), (11, 1988123), (31, 705463), (59, 370667), (341, 64133), (649, 33697), (1087, 20119), (1829, 11957)]