21120486

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4937}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 45508608

約数和(自身を除く): 24388122

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 713, 1426, 2139, 4278, 4937, 9874, 14811, 29622, 113551, 153047, 227102, 306094, 340653, 459141, 681306, 918282, 3520081, 7040162, 10560243, 21120486]

約数ペア:

[(1, 21120486), (2, 10560243), (3, 7040162), (6, 3520081), (23, 918282), (31, 681306), (46, 459141), (62, 340653), (69, 306094), (93, 227102), (138, 153047), (186, 113551), (713, 29622), (1426, 14811), (2139, 9874), (4278, 4937)]