21912055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{7517}}^1$

素因数の和:7586

約数の個数: 16

約数和(自身を含む): 29229984

約数和(自身を除く): 7317929

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 7517, 37585, 82687, 398401, 413435, 1992005, 4382411, 21912055]

約数ペア:

[(1, 21912055), (5, 4382411), (11, 1992005), (53, 413435), (55, 398401), (265, 82687), (583, 37585), (2915, 7517)]