21615354

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 27805446

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 327, 414, 479, 654, 958, 981, 1437, 1962, 2507, 2874, 4311, 5014, 7521, 8622, 11017, 15042, 22034, 22563, 33051, 45126, 52211, 66102, 99153, 104422, 156633, 198306, 313266, 469899, 939798, 1200853, 2401706, 3602559, 7205118, 10807677, 21615354]

約数ペア:

[(1, 21615354), (2, 10807677), (3, 7205118), (6, 3602559), (9, 2401706), (18, 1200853), (23, 939798), (46, 469899), (69, 313266), (109, 198306), (138, 156633), (207, 104422), (218, 99153), (327, 66102), (414, 52211), (479, 45126), (654, 33051), (958, 22563), (981, 22034), (1437, 15042), (1962, 11017), (2507, 8622), (2874, 7521), (4311, 5014)]