21259764

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3623}}^1$

素因数の和:3796

約数の個数: 36

約数和(自身を含む): 54084576

約数和(自身を除く): 32824812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3623, 5868, 7246, 10869, 14492, 21738, 32607, 43476, 65214, 130428, 590549, 1181098, 1771647, 2362196, 3543294, 5314941, 7086588, 10629882, 21259764]

約数ペア:

[(1, 21259764), (2, 10629882), (3, 7086588), (4, 5314941), (6, 3543294), (9, 2362196), (12, 1771647), (18, 1181098), (36, 590549), (163, 130428), (326, 65214), (489, 43476), (652, 32607), (978, 21738), (1467, 14492), (1956, 10869), (2934, 7246), (3623, 5868)]