21912400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1936

約数の個数: 60

約数和(自身を含む): 54488700

約数和(自身を除く): 32576300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 1889, 2320, 2900, 3778, 5800, 7556, 9445, 11600, 15112, 18890, 30224, 37780, 47225, 54781, 75560, 94450, 109562, 151120, 188900, 219124, 273905, 377800, 438248, 547810, 755600, 876496, 1095620, 1369525, 2191240, 2739050, 4382480, 5478100, 10956200, 21912400]

約数ペア:

[(1, 21912400), (2, 10956200), (4, 5478100), (5, 4382480), (8, 2739050), (10, 2191240), (16, 1369525), (20, 1095620), (25, 876496), (29, 755600), (40, 547810), (50, 438248), (58, 377800), (80, 273905), (100, 219124), (116, 188900), (145, 151120), (200, 109562), (232, 94450), (290, 75560), (400, 54781), (464, 47225), (580, 37780), (725, 30224), (1160, 18890), (1450, 15112), (1889, 11600), (2320, 9445), (2900, 7556), (3778, 5800)]