21657972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2897}}^1$

素因数の和:3000

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 36765708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2897, 3738, 5794, 7476, 8691, 11588, 17382, 20279, 34764, 40558, 60837, 81116, 121674, 243348, 257833, 515666, 773499, 1031332, 1546998, 1804831, 3093996, 3609662, 5414493, 7219324, 10828986, 21657972]

約数ペア:

[(1, 21657972), (2, 10828986), (3, 7219324), (4, 5414493), (6, 3609662), (7, 3093996), (12, 1804831), (14, 1546998), (21, 1031332), (28, 773499), (42, 515666), (84, 257833), (89, 243348), (178, 121674), (267, 81116), (356, 60837), (534, 40558), (623, 34764), (1068, 20279), (1246, 17382), (1869, 11588), (2492, 8691), (2897, 7476), (3738, 5794)]