21893010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31729}}^1$

素因数の和:31762

約数の個数: 32

約数和(自身を含む): 54829440

約数和(自身を除く): 32936430

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31729, 63458, 95187, 158645, 190374, 317290, 475935, 729767, 951870, 1459534, 2189301, 3648835, 4378602, 7297670, 10946505, 21893010]

約数ペア:

[(1, 21893010), (2, 10946505), (3, 7297670), (5, 4378602), (6, 3648835), (10, 2189301), (15, 1459534), (23, 951870), (30, 729767), (46, 475935), (69, 317290), (115, 190374), (138, 158645), (230, 95187), (345, 63458), (690, 31729)]