21667413

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 29350080

約数和(自身を除く): 7682667

約数列:

[1, 3, 157, 179, 257, 471, 537, 771, 28103, 40349, 46003, 84309, 121047, 138009, 7222471, 21667413]

約数ペア:

[(1, 21667413), (3, 7222471), (157, 138009), (179, 121047), (257, 84309), (471, 46003), (537, 40349), (771, 28103)]