21305664

素因数分解:

$2^6\times 3^2\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:852

約数の個数: 84

約数和(自身を含む): 62447424

約数和(自身を除く): 41141760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 141, 144, 188, 192, 282, 288, 376, 423, 564, 576, 752, 787, 846, 1128, 1504, 1574, 1692, 2256, 2361, 3008, 3148, 3384, 4512, 4722, 6296, 6768, 7083, 9024, 9444, 12592, 13536, 14166, 18888, 25184, 27072, 28332, 36989, 37776, 50368, 56664, 73978, 75552, 110967, 113328, 147956, 151104, 221934, 226656, 295912, 332901, 443868, 453312, 591824, 665802, 887736, 1183648, 1331604, 1775472, 2367296, 2663208, 3550944, 5326416, 7101888, 10652832, 21305664]

約数ペア:

[(1, 21305664), (2, 10652832), (3, 7101888), (4, 5326416), (6, 3550944), (8, 2663208), (9, 2367296), (12, 1775472), (16, 1331604), (18, 1183648), (24, 887736), (32, 665802), (36, 591824), (47, 453312), (48, 443868), (64, 332901), (72, 295912), (94, 226656), (96, 221934), (141, 151104), (144, 147956), (188, 113328), (192, 110967), (282, 75552), (288, 73978), (376, 56664), (423, 50368), (564, 37776), (576, 36989), (752, 28332), (787, 27072), (846, 25184), (1128, 18888), (1504, 14166), (1574, 13536), (1692, 12592), (2256, 9444), (2361, 9024), (3008, 7083), (3148, 6768), (3384, 6296), (4512, 4722)]