21970232

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144541}}^1$

素因数の和:144566

約数の個数: 16

約数和(自身を含む): 43362600

約数和(自身を除く): 21392368

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144541, 289082, 578164, 1156328, 2746279, 5492558, 10985116, 21970232]

約数ペア:

[(1, 21970232), (2, 10985116), (4, 5492558), (8, 2746279), (19, 1156328), (38, 578164), (76, 289082), (152, 144541)]