21966365

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 27349056

約数和(自身を除く): 5382691

約数列:

[1, 5, 41, 83, 205, 415, 1291, 3403, 6455, 17015, 52931, 107153, 264655, 535765, 4393273, 21966365]

約数ペア:

[(1, 21966365), (5, 4393273), (41, 535765), (83, 264655), (205, 107153), (415, 52931), (1291, 17015), (3403, 6455)]