21420355818

素因数分解:

$2^1\times 3^1\times {\mathrm{571}}^1\times {\mathrm{1321}}^1\times {\mathrm{4733}}^1$

素因数の和:6630

約数の個数: 32

約数和(自身を含む): 42957300672

約数和(自身を除く): 21536944854

約数列:

[1, 2, 3, 6, 571, 1142, 1321, 1713, 2642, 3426, 3963, 4733, 7926, 9466, 14199, 28398, 754291, 1508582, 2262873, 2702543, 4525746, 5405086, 6252293, 8107629, 12504586, 16215258, 18756879, 37513758, 3570059303, 7140118606, 10710177909, 21420355818]

約数ペア:

[(1, 21420355818), (2, 10710177909), (3, 7140118606), (6, 3570059303), (571, 37513758), (1142, 18756879), (1321, 16215258), (1713, 12504586), (2642, 8107629), (3426, 6252293), (3963, 5405086), (4733, 4525746), (7926, 2702543), (9466, 2262873), (14199, 1508582), (28398, 754291)]