21322125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1755

約数の個数: 48

約数和(自身を含む): 41955264

約数和(自身を除く): 20633139

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 1723, 2475, 4125, 5169, 8615, 12375, 15507, 18953, 25845, 43075, 56859, 77535, 94765, 129225, 170577, 215375, 284295, 387675, 473825, 646125, 852885, 1421475, 1938375, 2369125, 4264425, 7107375, 21322125]

約数ペア:

[(1, 21322125), (3, 7107375), (5, 4264425), (9, 2369125), (11, 1938375), (15, 1421475), (25, 852885), (33, 646125), (45, 473825), (55, 387675), (75, 284295), (99, 215375), (125, 170577), (165, 129225), (225, 94765), (275, 77535), (375, 56859), (495, 43075), (825, 25845), (1125, 18953), (1375, 15507), (1723, 12375), (2475, 8615), (4125, 5169)]