21316446

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 28688418

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 1907, 3726, 3814, 5589, 5721, 11178, 11442, 17163, 34326, 43861, 51489, 87722, 102978, 131583, 154467, 263166, 308934, 394749, 463401, 789498, 926802, 1184247, 2368494, 3552741, 7105482, 10658223, 21316446]

約数ペア:

[(1, 21316446), (2, 10658223), (3, 7105482), (6, 3552741), (9, 2368494), (18, 1184247), (23, 926802), (27, 789498), (46, 463401), (54, 394749), (69, 308934), (81, 263166), (138, 154467), (162, 131583), (207, 102978), (243, 87722), (414, 51489), (486, 43861), (621, 34326), (1242, 17163), (1863, 11442), (1907, 11178), (3726, 5721), (3814, 5589)]