21504400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1453}}^1$

素因数の和:1508

約数の個数: 60

約数和(自身を含む): 53097172

約数和(自身を除く): 31592772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1453, 1480, 1850, 2906, 2960, 3700, 5812, 7265, 7400, 11624, 14530, 14800, 23248, 29060, 36325, 53761, 58120, 72650, 107522, 116240, 145300, 215044, 268805, 290600, 430088, 537610, 581200, 860176, 1075220, 1344025, 2150440, 2688050, 4300880, 5376100, 10752200, 21504400]

約数ペア:

[(1, 21504400), (2, 10752200), (4, 5376100), (5, 4300880), (8, 2688050), (10, 2150440), (16, 1344025), (20, 1075220), (25, 860176), (37, 581200), (40, 537610), (50, 430088), (74, 290600), (80, 268805), (100, 215044), (148, 145300), (185, 116240), (200, 107522), (296, 72650), (370, 58120), (400, 53761), (592, 36325), (740, 29060), (925, 23248), (1453, 14800), (1480, 14530), (1850, 11624), (2906, 7400), (2960, 7265), (3700, 5812)]