21127549

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 23094720

約数和(自身を除く): 1967171

約数列:

[1, 17, 53, 131, 179, 901, 2227, 3043, 6943, 9487, 23449, 118031, 161279, 398633, 1242797, 21127549]

約数ペア:

[(1, 21127549), (17, 1242797), (53, 398633), (131, 161279), (179, 118031), (901, 23449), (2227, 9487), (3043, 6943)]