21965330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 19938670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 599, 965, 1198, 1930, 2995, 3667, 5990, 7334, 11381, 18335, 22762, 36670, 56905, 113810, 115607, 231214, 578035, 1156070, 2196533, 4393066, 10982665, 21965330]

約数ペア:

[(1, 21965330), (2, 10982665), (5, 4393066), (10, 2196533), (19, 1156070), (38, 578035), (95, 231214), (190, 115607), (193, 113810), (386, 56905), (599, 36670), (965, 22762), (1198, 18335), (1930, 11381), (2995, 7334), (3667, 5990)]