17312820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41221}}^1$

素因数の和:41240

約数の個数: 48

約数和(自身を含む): 55402368

約数和(自身を除く): 38089548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 41221, 82442, 123663, 164884, 206105, 247326, 288547, 412210, 494652, 577094, 618315, 824420, 865641, 1154188, 1236630, 1442735, 1731282, 2473260, 2885470, 3462564, 4328205, 5770940, 8656410, 17312820]

約数ペア:

[(1, 17312820), (2, 8656410), (3, 5770940), (4, 4328205), (5, 3462564), (6, 2885470), (7, 2473260), (10, 1731282), (12, 1442735), (14, 1236630), (15, 1154188), (20, 865641), (21, 824420), (28, 618315), (30, 577094), (35, 494652), (42, 412210), (60, 288547), (70, 247326), (84, 206105), (105, 164884), (140, 123663), (210, 82442), (420, 41221)]