21964270

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{36007}}^1$

素因数の和:36075

約数の個数: 16

約数和(自身を含む): 40184928

約数和(自身を除く): 18220658

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 36007, 72014, 180035, 360070, 2196427, 4392854, 10982135, 21964270]

約数ペア:

[(1, 21964270), (2, 10982135), (5, 4392854), (10, 2196427), (61, 360070), (122, 180035), (305, 72014), (610, 36007)]