21769300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 54621504

約数和(自身を除く): 32852204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 227, 274, 350, 454, 548, 685, 700, 908, 959, 1135, 1370, 1589, 1918, 2270, 2740, 3178, 3425, 3836, 4540, 4795, 5675, 6356, 6850, 7945, 9590, 11350, 13700, 15890, 19180, 22700, 23975, 31099, 31780, 39725, 47950, 62198, 79450, 95900, 124396, 155495, 158900, 217693, 310990, 435386, 621980, 777475, 870772, 1088465, 1554950, 2176930, 3109900, 4353860, 5442325, 10884650, 21769300]

約数ペア:

[(1, 21769300), (2, 10884650), (4, 5442325), (5, 4353860), (7, 3109900), (10, 2176930), (14, 1554950), (20, 1088465), (25, 870772), (28, 777475), (35, 621980), (50, 435386), (70, 310990), (100, 217693), (137, 158900), (140, 155495), (175, 124396), (227, 95900), (274, 79450), (350, 62198), (454, 47950), (548, 39725), (685, 31780), (700, 31099), (908, 23975), (959, 22700), (1135, 19180), (1370, 15890), (1589, 13700), (1918, 11350), (2270, 9590), (2740, 7945), (3178, 6850), (3425, 6356), (3836, 5675), (4540, 4795)]