21928707

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 32788080

約数和(自身を除く): 10859373

約数列:

[1, 3, 9, 59, 61, 177, 183, 531, 549, 677, 2031, 3599, 6093, 10797, 32391, 39943, 41297, 119829, 123891, 359487, 371673, 2436523, 7309569, 21928707]

約数ペア:

[(1, 21928707), (3, 7309569), (9, 2436523), (59, 371673), (61, 359487), (177, 123891), (183, 119829), (531, 41297), (549, 39943), (677, 32391), (2031, 10797), (3599, 6093)]