21351936

素因数分解:

$2^9\times 3^1\times {\mathrm{13901}}^1$

素因数の和:13922

約数の個数: 40

約数和(自身を含む): 56886984

約数和(自身を除く): 35535048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13901, 27802, 41703, 55604, 83406, 111208, 166812, 222416, 333624, 444832, 667248, 889664, 1334496, 1779328, 2668992, 3558656, 5337984, 7117312, 10675968, 21351936]

約数ペア:

[(1, 21351936), (2, 10675968), (3, 7117312), (4, 5337984), (6, 3558656), (8, 2668992), (12, 1779328), (16, 1334496), (24, 889664), (32, 667248), (48, 444832), (64, 333624), (96, 222416), (128, 166812), (192, 111208), (256, 83406), (384, 55604), (512, 41703), (768, 27802), (1536, 13901)]