21306744

素因数分解:

$2^3\times 3^2\times {\mathrm{541}}^1\times {\mathrm{547}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 57918120

約数和(自身を除く): 36611376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 541, 547, 1082, 1094, 1623, 1641, 2164, 2188, 3246, 3282, 4328, 4376, 4869, 4923, 6492, 6564, 9738, 9846, 12984, 13128, 19476, 19692, 38952, 39384, 295927, 591854, 887781, 1183708, 1775562, 2367416, 2663343, 3551124, 5326686, 7102248, 10653372, 21306744]

約数ペア:

[(1, 21306744), (2, 10653372), (3, 7102248), (4, 5326686), (6, 3551124), (8, 2663343), (9, 2367416), (12, 1775562), (18, 1183708), (24, 887781), (36, 591854), (72, 295927), (541, 39384), (547, 38952), (1082, 19692), (1094, 19476), (1623, 13128), (1641, 12984), (2164, 9846), (2188, 9738), (3246, 6564), (3282, 6492), (4328, 4923), (4376, 4869)]