21578808

素因数分解:

$2^3\times 3^1\times {\mathrm{179}}^1\times {\mathrm{5023}}^1$

素因数の和:5211

約数の個数: 32

約数和(自身を含む): 54259200

約数和(自身を除く): 32680392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 179, 358, 537, 716, 1074, 1432, 2148, 4296, 5023, 10046, 15069, 20092, 30138, 40184, 60276, 120552, 899117, 1798234, 2697351, 3596468, 5394702, 7192936, 10789404, 21578808]

約数ペア:

[(1, 21578808), (2, 10789404), (3, 7192936), (4, 5394702), (6, 3596468), (8, 2697351), (12, 1798234), (24, 899117), (179, 120552), (358, 60276), (537, 40184), (716, 30138), (1074, 20092), (1432, 15069), (2148, 10046), (4296, 5023)]