21222486

素因数分解:

$2^1\times 3^4\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:770

約数の個数: 40

約数和(自身を含む): 47828880

約数和(自身を除く): 26606394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 269, 487, 538, 807, 974, 1461, 1614, 2421, 2922, 4383, 4842, 7263, 8766, 13149, 14526, 21789, 26298, 39447, 43578, 78894, 131003, 262006, 393009, 786018, 1179027, 2358054, 3537081, 7074162, 10611243, 21222486]

約数ペア:

[(1, 21222486), (2, 10611243), (3, 7074162), (6, 3537081), (9, 2358054), (18, 1179027), (27, 786018), (54, 393009), (81, 262006), (162, 131003), (269, 78894), (487, 43578), (538, 39447), (807, 26298), (974, 21789), (1461, 14526), (1614, 13149), (2421, 8766), (2922, 7263), (4383, 4842)]