21475610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 41867280

約数和(自身を除く): 20391670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 709, 1165, 1418, 2330, 3029, 3545, 6058, 7090, 9217, 15145, 18434, 30290, 46085, 92170, 165197, 330394, 825985, 1651970, 2147561, 4295122, 10737805, 21475610]

約数ペア:

[(1, 21475610), (2, 10737805), (5, 4295122), (10, 2147561), (13, 1651970), (26, 825985), (65, 330394), (130, 165197), (233, 92170), (466, 46085), (709, 30290), (1165, 18434), (1418, 15145), (2330, 9217), (3029, 7090), (3545, 6058)]