21436416

素因数分解:

$2^{11}\times 3^2\times {\mathrm{1163}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 61965540

約数和(自身を除く): 40529124

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1163, 1536, 2048, 2304, 2326, 3072, 3489, 4608, 4652, 6144, 6978, 9216, 9304, 10467, 13956, 18432, 18608, 20934, 27912, 37216, 41868, 55824, 74432, 83736, 111648, 148864, 167472, 223296, 297728, 334944, 446592, 595456, 669888, 893184, 1190912, 1339776, 1786368, 2381824, 2679552, 3572736, 5359104, 7145472, 10718208, 21436416]

約数ペア:

[(1, 21436416), (2, 10718208), (3, 7145472), (4, 5359104), (6, 3572736), (8, 2679552), (9, 2381824), (12, 1786368), (16, 1339776), (18, 1190912), (24, 893184), (32, 669888), (36, 595456), (48, 446592), (64, 334944), (72, 297728), (96, 223296), (128, 167472), (144, 148864), (192, 111648), (256, 83736), (288, 74432), (384, 55824), (512, 41868), (576, 37216), (768, 27912), (1024, 20934), (1152, 18608), (1163, 18432), (1536, 13956), (2048, 10467), (2304, 9304), (2326, 9216), (3072, 6978), (3489, 6144), (4608, 4652)]