21925729

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 25805952

約数和(自身を除く): 3880223

約数列:

[1, 7, 53, 113, 371, 523, 791, 3661, 5989, 27719, 41923, 59099, 194033, 413693, 3132247, 21925729]

約数ペア:

[(1, 21925729), (7, 3132247), (53, 413693), (113, 194033), (371, 59099), (523, 41923), (791, 27719), (3661, 5989)]