21186550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5503}}^1$

素因数の和:5533

約数の個数: 48

約数和(自身を含む): 49139712

約数和(自身を除く): 27953162

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5503, 11006, 27515, 38521, 55030, 60533, 77042, 121066, 137575, 192605, 275150, 302665, 385210, 423731, 605330, 847462, 963025, 1513325, 1926050, 2118655, 3026650, 4237310, 10593275, 21186550]

約数ペア:

[(1, 21186550), (2, 10593275), (5, 4237310), (7, 3026650), (10, 2118655), (11, 1926050), (14, 1513325), (22, 963025), (25, 847462), (35, 605330), (50, 423731), (55, 385210), (70, 302665), (77, 275150), (110, 192605), (154, 137575), (175, 121066), (275, 77042), (350, 60533), (385, 55030), (550, 38521), (770, 27515), (1925, 11006), (3850, 5503)]