21823160

素因数分解:

$2^3\times 5^1\times {\mathrm{545579}}^1$

素因数の和:545590

約数の個数: 16

約数和(自身を含む): 49102200

約数和(自身を除く): 27279040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 545579, 1091158, 2182316, 2727895, 4364632, 5455790, 10911580, 21823160]

約数ペア:

[(1, 21823160), (2, 10911580), (4, 5455790), (5, 4364632), (8, 2727895), (10, 2182316), (20, 1091158), (40, 545579)]