21017550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2373

約数の個数: 48

約数和(自身を含む): 53001072

約数和(自身を除く): 31983522

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2297, 3050, 4575, 4594, 6891, 9150, 11485, 13782, 22970, 34455, 57425, 68910, 114850, 140117, 172275, 280234, 344550, 420351, 700585, 840702, 1401170, 2101755, 3502925, 4203510, 7005850, 10508775, 21017550]

約数ペア:

[(1, 21017550), (2, 10508775), (3, 7005850), (5, 4203510), (6, 3502925), (10, 2101755), (15, 1401170), (25, 840702), (30, 700585), (50, 420351), (61, 344550), (75, 280234), (122, 172275), (150, 140117), (183, 114850), (305, 68910), (366, 57425), (610, 34455), (915, 22970), (1525, 13782), (1830, 11485), (2297, 9150), (3050, 6891), (4575, 4594)]