21988416

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1699

約数の個数: 56

約数和(自身を含む): 59033664

約数和(自身を除く): 37045248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1613, 1704, 2272, 3226, 3408, 4544, 4839, 6452, 6816, 9678, 12904, 13632, 19356, 25808, 38712, 51616, 77424, 103232, 114523, 154848, 229046, 309696, 343569, 458092, 687138, 916184, 1374276, 1832368, 2748552, 3664736, 5497104, 7329472, 10994208, 21988416]

約数ペア:

[(1, 21988416), (2, 10994208), (3, 7329472), (4, 5497104), (6, 3664736), (8, 2748552), (12, 1832368), (16, 1374276), (24, 916184), (32, 687138), (48, 458092), (64, 343569), (71, 309696), (96, 229046), (142, 154848), (192, 114523), (213, 103232), (284, 77424), (426, 51616), (568, 38712), (852, 25808), (1136, 19356), (1613, 13632), (1704, 12904), (2272, 9678), (3226, 6816), (3408, 6452), (4544, 4839)]