21434325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25981}}^1$

素因数の和:26005

約数の個数: 24

約数和(自身を含む): 38661216

約数和(自身を除く): 17226891

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25981, 77943, 129905, 285791, 389715, 649525, 857373, 1428955, 1948575, 4286865, 7144775, 21434325]

約数ペア:

[(1, 21434325), (3, 7144775), (5, 4286865), (11, 1948575), (15, 1428955), (25, 857373), (33, 649525), (55, 389715), (75, 285791), (165, 129905), (275, 77943), (825, 25981)]