21661965

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12343}}^1$

素因数の和:12370

約数の個数: 32

約数和(自身を含む): 41475840

約数和(自身を除く): 19813875

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12343, 37029, 61715, 111087, 160459, 185145, 333261, 481377, 555435, 802295, 1444131, 1666305, 2406885, 4332393, 7220655, 21661965]

約数ペア:

[(1, 21661965), (3, 7220655), (5, 4332393), (9, 2406885), (13, 1666305), (15, 1444131), (27, 802295), (39, 555435), (45, 481377), (65, 333261), (117, 185145), (135, 160459), (195, 111087), (351, 61715), (585, 37029), (1755, 12343)]