21480312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127859}}^1$

素因数の和:127875

約数の個数: 32

約数和(自身を含む): 61372800

約数和(自身を除く): 39892488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127859, 255718, 383577, 511436, 767154, 895013, 1022872, 1534308, 1790026, 2685039, 3068616, 3580052, 5370078, 7160104, 10740156, 21480312]

約数ペア:

[(1, 21480312), (2, 10740156), (3, 7160104), (4, 5370078), (6, 3580052), (7, 3068616), (8, 2685039), (12, 1790026), (14, 1534308), (21, 1022872), (24, 895013), (28, 767154), (42, 511436), (56, 383577), (84, 255718), (168, 127859)]