21179016

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1467

約数の個数: 64

約数和(自身を含む): 59702400

約数和(自身を除く): 38523384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1381, 1704, 1917, 2556, 2762, 3834, 4143, 5112, 5524, 7668, 8286, 11048, 12429, 15336, 16572, 24858, 33144, 37287, 49716, 74574, 98051, 99432, 149148, 196102, 294153, 298296, 392204, 588306, 784408, 882459, 1176612, 1764918, 2353224, 2647377, 3529836, 5294754, 7059672, 10589508, 21179016]

約数ペア:

[(1, 21179016), (2, 10589508), (3, 7059672), (4, 5294754), (6, 3529836), (8, 2647377), (9, 2353224), (12, 1764918), (18, 1176612), (24, 882459), (27, 784408), (36, 588306), (54, 392204), (71, 298296), (72, 294153), (108, 196102), (142, 149148), (213, 99432), (216, 98051), (284, 74574), (426, 49716), (568, 37287), (639, 33144), (852, 24858), (1278, 16572), (1381, 15336), (1704, 12429), (1917, 11048), (2556, 8286), (2762, 7668), (3834, 5524), (4143, 5112)]