21245692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8693}}^1$

素因数の和:8757

約数の個数: 24

約数和(自身を含む): 40896576

約数和(自身を除く): 19650884

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8693, 17386, 34772, 113009, 226018, 408571, 452036, 817142, 1634284, 5311423, 10622846, 21245692]

約数ペア:

[(1, 21245692), (2, 10622846), (4, 5311423), (13, 1634284), (26, 817142), (47, 452036), (52, 408571), (94, 226018), (188, 113009), (611, 34772), (1222, 17386), (2444, 8693)]