21000478585

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{12553}}^1$

素因数の和:12777

約数の個数: 32

約数和(自身を含む): 26357374080

約数和(自身を除く): 5356895495

約数列:

[1, 5, 53, 59, 107, 265, 295, 535, 3127, 5671, 6313, 12553, 15635, 28355, 31565, 62765, 334589, 665309, 740627, 1343171, 1672945, 3326545, 3703135, 6715855, 39253231, 71188063, 79247089, 196266155, 355940315, 396235445, 4200095717, 21000478585]

約数ペア:

[(1, 21000478585), (5, 4200095717), (53, 396235445), (59, 355940315), (107, 196266155), (265, 79247089), (295, 71188063), (535, 39253231), (3127, 6715855), (5671, 3703135), (6313, 3326545), (12553, 1672945), (15635, 1343171), (28355, 740627), (31565, 665309), (62765, 334589)]