21763040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10463}}^1$

素因数の和:10491

約数の個数: 48

約数和(自身を含む): 55375488

約数和(自身を除く): 33612448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10463, 20926, 41852, 52315, 83704, 104630, 136019, 167408, 209260, 272038, 334816, 418520, 544076, 680095, 837040, 1088152, 1360190, 1674080, 2176304, 2720380, 4352608, 5440760, 10881520, 21763040]

約数ペア:

[(1, 21763040), (2, 10881520), (4, 5440760), (5, 4352608), (8, 2720380), (10, 2176304), (13, 1674080), (16, 1360190), (20, 1088152), (26, 837040), (32, 680095), (40, 544076), (52, 418520), (65, 334816), (80, 272038), (104, 209260), (130, 167408), (160, 136019), (208, 104630), (260, 83704), (416, 52315), (520, 41852), (1040, 20926), (2080, 10463)]