21060050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^2$

素因数の和:152

約数の個数: 54

約数和(自身を含む): 43798629

約数和(自身を除く): 22738579

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 121, 242, 275, 295, 550, 590, 605, 649, 1210, 1298, 1475, 2950, 3025, 3245, 3481, 6050, 6490, 6962, 7139, 14278, 16225, 17405, 32450, 34810, 35695, 38291, 71390, 76582, 87025, 174050, 178475, 191455, 356950, 382910, 421201, 842402, 957275, 1914550, 2106005, 4212010, 10530025, 21060050]

約数ペア:

[(1, 21060050), (2, 10530025), (5, 4212010), (10, 2106005), (11, 1914550), (22, 957275), (25, 842402), (50, 421201), (55, 382910), (59, 356950), (110, 191455), (118, 178475), (121, 174050), (242, 87025), (275, 76582), (295, 71390), (550, 38291), (590, 35695), (605, 34810), (649, 32450), (1210, 17405), (1298, 16225), (1475, 14278), (2950, 7139), (3025, 6962), (3245, 6490), (3481, 6050)]