21797928

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{13163}}^1$

素因数の和:13198

約数の個数: 48

約数和(自身を含む): 61607520

約数和(自身を除く): 39809592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 13163, 26326, 39489, 52652, 78978, 105304, 118467, 157956, 236934, 302749, 315912, 473868, 605498, 908247, 947736, 1210996, 1816494, 2421992, 2724741, 3632988, 5449482, 7265976, 10898964, 21797928]

約数ペア:

[(1, 21797928), (2, 10898964), (3, 7265976), (4, 5449482), (6, 3632988), (8, 2724741), (9, 2421992), (12, 1816494), (18, 1210996), (23, 947736), (24, 908247), (36, 605498), (46, 473868), (69, 315912), (72, 302749), (92, 236934), (138, 157956), (184, 118467), (207, 105304), (276, 78978), (414, 52652), (552, 39489), (828, 26326), (1656, 13163)]