21591870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42337}}^1$

素因数の和:42364

約数の個数: 32

約数和(自身を含む): 54870048

約数和(自身を除く): 33278178

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42337, 84674, 127011, 211685, 254022, 423370, 635055, 719729, 1270110, 1439458, 2159187, 3598645, 4318374, 7197290, 10795935, 21591870]

約数ペア:

[(1, 21591870), (2, 10795935), (3, 7197290), (5, 4318374), (6, 3598645), (10, 2159187), (15, 1439458), (17, 1270110), (30, 719729), (34, 635055), (51, 423370), (85, 254022), (102, 211685), (170, 127011), (255, 84674), (510, 42337)]