21144648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2927}}^1$

素因数の和:2986

約数の個数: 64

約数和(自身を含む): 61839360

約数和(自身を除く): 40694712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2927, 3612, 5854, 7224, 8781, 11708, 17562, 20489, 23416, 35124, 40978, 61467, 70248, 81956, 122934, 125861, 163912, 245868, 251722, 377583, 491736, 503444, 755166, 881027, 1006888, 1510332, 1762054, 2643081, 3020664, 3524108, 5286162, 7048216, 10572324, 21144648]

約数ペア:

[(1, 21144648), (2, 10572324), (3, 7048216), (4, 5286162), (6, 3524108), (7, 3020664), (8, 2643081), (12, 1762054), (14, 1510332), (21, 1006888), (24, 881027), (28, 755166), (42, 503444), (43, 491736), (56, 377583), (84, 251722), (86, 245868), (129, 163912), (168, 125861), (172, 122934), (258, 81956), (301, 70248), (344, 61467), (516, 40978), (602, 35124), (903, 23416), (1032, 20489), (1204, 17562), (1806, 11708), (2408, 8781), (2927, 7224), (3612, 5854)]