21376172

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 17406628

約数列:

[1, 2, 4, 53, 59, 106, 118, 212, 236, 1709, 3127, 3418, 6254, 6836, 12508, 90577, 100831, 181154, 201662, 362308, 403324, 5344043, 10688086, 21376172]

約数ペア:

[(1, 21376172), (2, 10688086), (4, 5344043), (53, 403324), (59, 362308), (106, 201662), (118, 181154), (212, 100831), (236, 90577), (1709, 12508), (3127, 6836), (3418, 6254)]