21918323

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 25858560

約数和(自身を除く): 3940237

約数列:

[1, 7, 59, 73, 413, 511, 727, 4307, 5089, 30149, 42893, 53071, 300251, 371497, 3131189, 21918323]

約数ペア:

[(1, 21918323), (7, 3131189), (59, 371497), (73, 300251), (413, 53071), (511, 42893), (727, 30149), (4307, 5089)]