21261100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4339}}^1$

素因数の和:4367

約数の個数: 54

約数和(自身を含む): 53681460

約数和(自身を除く): 32420360

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4339, 4900, 8678, 17356, 21695, 30373, 43390, 60746, 86780, 108475, 121492, 151865, 212611, 216950, 303730, 425222, 433900, 607460, 759325, 850444, 1063055, 1518650, 2126110, 3037300, 4252220, 5315275, 10630550, 21261100]

約数ペア:

[(1, 21261100), (2, 10630550), (4, 5315275), (5, 4252220), (7, 3037300), (10, 2126110), (14, 1518650), (20, 1063055), (25, 850444), (28, 759325), (35, 607460), (49, 433900), (50, 425222), (70, 303730), (98, 216950), (100, 212611), (140, 151865), (175, 121492), (196, 108475), (245, 86780), (350, 60746), (490, 43390), (700, 30373), (980, 21695), (1225, 17356), (2450, 8678), (4339, 4900)]