21150690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34836510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 107, 110, 165, 214, 321, 330, 535, 599, 642, 1070, 1177, 1198, 1605, 1797, 2354, 2995, 3210, 3531, 3594, 5885, 5990, 6589, 7062, 8985, 11770, 13178, 17655, 17970, 19767, 32945, 35310, 39534, 64093, 65890, 98835, 128186, 192279, 197670, 320465, 384558, 640930, 705023, 961395, 1410046, 1922790, 2115069, 3525115, 4230138, 7050230, 10575345, 21150690]

約数ペア:

[(1, 21150690), (2, 10575345), (3, 7050230), (5, 4230138), (6, 3525115), (10, 2115069), (11, 1922790), (15, 1410046), (22, 961395), (30, 705023), (33, 640930), (55, 384558), (66, 320465), (107, 197670), (110, 192279), (165, 128186), (214, 98835), (321, 65890), (330, 64093), (535, 39534), (599, 35310), (642, 32945), (1070, 19767), (1177, 17970), (1198, 17655), (1605, 13178), (1797, 11770), (2354, 8985), (2995, 7062), (3210, 6589), (3531, 5990), (3594, 5885)]