21085710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30559}}^1$

素因数の和:30592

約数の個数: 32

約数和(自身を含む): 52807680

約数和(自身を除く): 31721970

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30559, 61118, 91677, 152795, 183354, 305590, 458385, 702857, 916770, 1405714, 2108571, 3514285, 4217142, 7028570, 10542855, 21085710]

約数ペア:

[(1, 21085710), (2, 10542855), (3, 7028570), (5, 4217142), (6, 3514285), (10, 2108571), (15, 1405714), (23, 916770), (30, 702857), (46, 458385), (69, 305590), (115, 183354), (138, 152795), (230, 91677), (345, 61118), (690, 30559)]