16740213

素因数分解:

$3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 26123328

約数和(自身を除く): 9383115

約数列:

[1, 3, 7, 21, 49, 147, 263, 433, 789, 1299, 1841, 3031, 5523, 9093, 12887, 21217, 38661, 63651, 113879, 341637, 797153, 2391459, 5580071, 16740213]

約数ペア:

[(1, 16740213), (3, 5580071), (7, 2391459), (21, 797153), (49, 341637), (147, 113879), (263, 63651), (433, 38661), (789, 21217), (1299, 12887), (1841, 9093), (3031, 5523)]