21873008

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33343}}^1$

素因数の和:33392

約数の個数: 20

約数和(自身を含む): 43413888

約数和(自身を除く): 21540880

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33343, 66686, 133372, 266744, 533488, 1367063, 2734126, 5468252, 10936504, 21873008]

約数ペア:

[(1, 21873008), (2, 10936504), (4, 5468252), (8, 2734126), (16, 1367063), (41, 533488), (82, 266744), (164, 133372), (328, 66686), (656, 33343)]