21210240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11047}}^1$

素因数の和:11069

約数の個数: 64

約数和(自身を含む): 67613760

約数和(自身を除く): 46403520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11047, 22094, 33141, 44188, 55235, 66282, 88376, 110470, 132564, 165705, 176752, 220940, 265128, 331410, 353504, 441880, 530256, 662820, 707008, 883760, 1060512, 1325640, 1414016, 1767520, 2121024, 2651280, 3535040, 4242048, 5302560, 7070080, 10605120, 21210240]

約数ペア:

[(1, 21210240), (2, 10605120), (3, 7070080), (4, 5302560), (5, 4242048), (6, 3535040), (8, 2651280), (10, 2121024), (12, 1767520), (15, 1414016), (16, 1325640), (20, 1060512), (24, 883760), (30, 707008), (32, 662820), (40, 530256), (48, 441880), (60, 353504), (64, 331410), (80, 265128), (96, 220940), (120, 176752), (128, 165705), (160, 132564), (192, 110470), (240, 88376), (320, 66282), (384, 55235), (480, 44188), (640, 33141), (960, 22094), (1920, 11047)]