21434010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54959}}^1$

素因数の和:54982

約数の個数: 32

約数和(自身を含む): 55399680

約数和(自身を除く): 33965670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54959, 109918, 164877, 274795, 329754, 549590, 714467, 824385, 1428934, 1648770, 2143401, 3572335, 4286802, 7144670, 10717005, 21434010]

約数ペア:

[(1, 21434010), (2, 10717005), (3, 7144670), (5, 4286802), (6, 3572335), (10, 2143401), (13, 1648770), (15, 1428934), (26, 824385), (30, 714467), (39, 549590), (65, 329754), (78, 274795), (130, 164877), (195, 109918), (390, 54959)]