21977892

素因数分解:

$2^2\times 3^6\times {\mathrm{7537}}^1$

素因数の和:7559

約数の個数: 42

約数和(自身を含む): 57673238

約数和(自身を除く): 35695346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7537, 15074, 22611, 30148, 45222, 67833, 90444, 135666, 203499, 271332, 406998, 610497, 813996, 1220994, 1831491, 2441988, 3662982, 5494473, 7325964, 10988946, 21977892]

約数ペア:

[(1, 21977892), (2, 10988946), (3, 7325964), (4, 5494473), (6, 3662982), (9, 2441988), (12, 1831491), (18, 1220994), (27, 813996), (36, 610497), (54, 406998), (81, 271332), (108, 203499), (162, 135666), (243, 90444), (324, 67833), (486, 45222), (729, 30148), (972, 22611), (1458, 15074), (2916, 7537)]