21889004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 39197760

約数和(自身を除く): 17308756

約数列:

[1, 2, 4, 79, 113, 158, 226, 316, 452, 613, 1226, 2452, 8927, 17854, 35708, 48427, 69269, 96854, 138538, 193708, 277076, 5472251, 10944502, 21889004]

約数ペア:

[(1, 21889004), (2, 10944502), (4, 5472251), (79, 277076), (113, 193708), (158, 138538), (226, 96854), (316, 69269), (452, 48427), (613, 35708), (1226, 17854), (2452, 8927)]