21062670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5051}}^1$

素因数の和:5200

約数の個数: 32

約数和(自身を含む): 50924160

約数和(自身を除く): 29861490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5051, 10102, 15153, 25255, 30306, 50510, 75765, 151530, 702089, 1404178, 2106267, 3510445, 4212534, 7020890, 10531335, 21062670]

約数ペア:

[(1, 21062670), (2, 10531335), (3, 7020890), (5, 4212534), (6, 3510445), (10, 2106267), (15, 1404178), (30, 702089), (139, 151530), (278, 75765), (417, 50510), (695, 30306), (834, 25255), (1390, 15153), (2085, 10102), (4170, 5051)]