21724398

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1877}}^1$

素因数の和:2528

約数の個数: 24

約数和(自身を含む): 47167848

約数和(自身を除く): 25443450

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1877, 1929, 3754, 3858, 5631, 5787, 11262, 11574, 16893, 33786, 1206911, 2413822, 3620733, 7241466, 10862199, 21724398]

約数ペア:

[(1, 21724398), (2, 10862199), (3, 7241466), (6, 3620733), (9, 2413822), (18, 1206911), (643, 33786), (1286, 16893), (1877, 11574), (1929, 11262), (3754, 5787), (3858, 5631)]