21120190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23209}}^1$

素因数の和:23236

約数の個数: 32

約数和(自身を含む): 46791360

約数和(自身を除く): 25671170

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23209, 46418, 116045, 162463, 232090, 301717, 324926, 603434, 812315, 1508585, 1624630, 2112019, 3017170, 4224038, 10560095, 21120190]

約数ペア:

[(1, 21120190), (2, 10560095), (5, 4224038), (7, 3017170), (10, 2112019), (13, 1624630), (14, 1508585), (26, 812315), (35, 603434), (65, 324926), (70, 301717), (91, 232090), (130, 162463), (182, 116045), (455, 46418), (910, 23209)]