6821490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17491}}^1$

素因数の和:17514

約数の個数: 32

約数和(自身を含む): 17631936

約数和(自身を除く): 10810446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 17491, 34982, 52473, 87455, 104946, 174910, 227383, 262365, 454766, 524730, 682149, 1136915, 1364298, 2273830, 3410745, 6821490]

約数ペア:

[(1, 6821490), (2, 3410745), (3, 2273830), (5, 1364298), (6, 1136915), (10, 682149), (13, 524730), (15, 454766), (26, 262365), (30, 227383), (39, 174910), (65, 104946), (78, 87455), (130, 52473), (195, 34982), (390, 17491)]