21997590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2591}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 53001216

約数和(自身を除く): 31003626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 283, 566, 849, 1415, 1698, 2591, 2830, 4245, 5182, 7773, 8490, 12955, 15546, 25910, 38865, 77730, 733253, 1466506, 2199759, 3666265, 4399518, 7332530, 10998795, 21997590]

約数ペア:

[(1, 21997590), (2, 10998795), (3, 7332530), (5, 4399518), (6, 3666265), (10, 2199759), (15, 1466506), (30, 733253), (283, 77730), (566, 38865), (849, 25910), (1415, 15546), (1698, 12955), (2591, 8490), (2830, 7773), (4245, 5182)]