21589400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2203}}^1$

素因数の和:2233

約数の個数: 72

約数和(自身を含む): 58417020

約数和(自身を除く): 36827620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2203, 2450, 4406, 4900, 8812, 9800, 11015, 15421, 17624, 22030, 30842, 44060, 55075, 61684, 77105, 88120, 107947, 110150, 123368, 154210, 215894, 220300, 308420, 385525, 431788, 440600, 539735, 616840, 771050, 863576, 1079470, 1542100, 2158940, 2698675, 3084200, 4317880, 5397350, 10794700, 21589400]

約数ペア:

[(1, 21589400), (2, 10794700), (4, 5397350), (5, 4317880), (7, 3084200), (8, 2698675), (10, 2158940), (14, 1542100), (20, 1079470), (25, 863576), (28, 771050), (35, 616840), (40, 539735), (49, 440600), (50, 431788), (56, 385525), (70, 308420), (98, 220300), (100, 215894), (140, 154210), (175, 123368), (196, 110150), (200, 107947), (245, 88120), (280, 77105), (350, 61684), (392, 55075), (490, 44060), (700, 30842), (980, 22030), (1225, 17624), (1400, 15421), (1960, 11015), (2203, 9800), (2450, 8812), (4406, 4900)]