21986812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 39940992

約数和(自身を除く): 17954180

約数列:

[1, 2, 4, 31, 62, 124, 233, 466, 761, 932, 1522, 3044, 7223, 14446, 23591, 28892, 47182, 94364, 177313, 354626, 709252, 5496703, 10993406, 21986812]

約数ペア:

[(1, 21986812), (2, 10993406), (4, 5496703), (31, 709252), (62, 354626), (124, 177313), (233, 94364), (466, 47182), (761, 28892), (932, 23591), (1522, 14446), (3044, 7223)]