21943960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14827}}^1$

素因数の和:14875

約数の個数: 32

約数和(自身を含む): 50711760

約数和(自身を除く): 28767800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14827, 29654, 59308, 74135, 118616, 148270, 296540, 548599, 593080, 1097198, 2194396, 2742995, 4388792, 5485990, 10971980, 21943960]

約数ペア:

[(1, 21943960), (2, 10971980), (4, 5485990), (5, 4388792), (8, 2742995), (10, 2194396), (20, 1097198), (37, 593080), (40, 548599), (74, 296540), (148, 148270), (185, 118616), (296, 74135), (370, 59308), (740, 29654), (1480, 14827)]