21603426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2689}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 46999680

約数和(自身を除く): 25396254

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2678, 2689, 4017, 5378, 8034, 8067, 16134, 34957, 69914, 104871, 209742, 276967, 553934, 830901, 1661802, 3600571, 7201142, 10801713, 21603426]

約数ペア:

[(1, 21603426), (2, 10801713), (3, 7201142), (6, 3600571), (13, 1661802), (26, 830901), (39, 553934), (78, 276967), (103, 209742), (206, 104871), (309, 69914), (618, 34957), (1339, 16134), (2678, 8067), (2689, 8034), (4017, 5378)]