21418600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15299}}^1$

素因数の和:15322

約数の個数: 48

約数和(自身を含む): 56916000

約数和(自身を除く): 35497400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15299, 30598, 61196, 76495, 107093, 122392, 152990, 214186, 305980, 382475, 428372, 535465, 611960, 764950, 856744, 1070930, 1529900, 2141860, 2677325, 3059800, 4283720, 5354650, 10709300, 21418600]

約数ペア:

[(1, 21418600), (2, 10709300), (4, 5354650), (5, 4283720), (7, 3059800), (8, 2677325), (10, 2141860), (14, 1529900), (20, 1070930), (25, 856744), (28, 764950), (35, 611960), (40, 535465), (50, 428372), (56, 382475), (70, 305980), (100, 214186), (140, 152990), (175, 122392), (200, 107093), (280, 76495), (350, 61196), (700, 30598), (1400, 15299)]