21419300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 54621504

約数和(自身を除く): 33202204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 827, 925, 1036, 1295, 1654, 1850, 2590, 3308, 3700, 4135, 5180, 5789, 6475, 8270, 11578, 12950, 16540, 20675, 23156, 25900, 28945, 30599, 41350, 57890, 61198, 82700, 115780, 122396, 144725, 152995, 214193, 289450, 305990, 428386, 578900, 611980, 764975, 856772, 1070965, 1529950, 2141930, 3059900, 4283860, 5354825, 10709650, 21419300]

約数ペア:

[(1, 21419300), (2, 10709650), (4, 5354825), (5, 4283860), (7, 3059900), (10, 2141930), (14, 1529950), (20, 1070965), (25, 856772), (28, 764975), (35, 611980), (37, 578900), (50, 428386), (70, 305990), (74, 289450), (100, 214193), (140, 152995), (148, 144725), (175, 122396), (185, 115780), (259, 82700), (350, 61198), (370, 57890), (518, 41350), (700, 30599), (740, 28945), (827, 25900), (925, 23156), (1036, 20675), (1295, 16540), (1654, 12950), (1850, 11578), (2590, 8270), (3308, 6475), (3700, 5789), (4135, 5180)]