21000478587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1\times {\mathrm{911}}^1\times {\mathrm{953}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 30653531136

約数和(自身を除く): 9653052549

約数列:

[1, 3, 11, 33, 733, 911, 953, 2199, 2733, 2859, 8063, 10021, 10483, 24189, 30063, 31449, 667763, 698549, 868183, 2003289, 2095647, 2604549, 7345393, 7684039, 9550013, 22036179, 23052117, 28650039, 636378139, 1909134417, 7000159529, 21000478587]

約数ペア:

[(1, 21000478587), (3, 7000159529), (11, 1909134417), (33, 636378139), (733, 28650039), (911, 23052117), (953, 22036179), (2199, 9550013), (2733, 7684039), (2859, 7345393), (8063, 2604549), (10021, 2095647), (10483, 2003289), (24189, 868183), (30063, 698549), (31449, 667763)]