21089718

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90127}}^1$

素因数の和:90148

約数の個数: 24

約数和(自身を含む): 49209888

約数和(自身を除く): 28120170

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90127, 180254, 270381, 540762, 811143, 1171651, 1622286, 2343302, 3514953, 7029906, 10544859, 21089718]

約数ペア:

[(1, 21089718), (2, 10544859), (3, 7029906), (6, 3514953), (9, 2343302), (13, 1622286), (18, 1171651), (26, 811143), (39, 540762), (78, 270381), (117, 180254), (234, 90127)]