21347808

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{3319}}^1$

素因数の和:3399

約数の個数: 48

約数和(自身を含む): 56891520

約数和(自身を除く): 35543712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 96, 134, 201, 268, 402, 536, 804, 1072, 1608, 2144, 3216, 3319, 6432, 6638, 9957, 13276, 19914, 26552, 39828, 53104, 79656, 106208, 159312, 222373, 318624, 444746, 667119, 889492, 1334238, 1778984, 2668476, 3557968, 5336952, 7115936, 10673904, 21347808]

約数ペア:

[(1, 21347808), (2, 10673904), (3, 7115936), (4, 5336952), (6, 3557968), (8, 2668476), (12, 1778984), (16, 1334238), (24, 889492), (32, 667119), (48, 444746), (67, 318624), (96, 222373), (134, 159312), (201, 106208), (268, 79656), (402, 53104), (536, 39828), (804, 26552), (1072, 19914), (1608, 13276), (2144, 9957), (3216, 6638), (3319, 6432)]