21236706040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1177201}}^1$

素因数の和:1177264

約数の個数: 64

約数和(自身を含む): 53397882720

約数和(自身を除く): 32161176680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 1177201, 2354402, 4708804, 5886005, 9417608, 11772010, 12949211, 23544020, 25898422, 47088040, 48265241, 51796844, 64746055, 96530482, 103593688, 129492110, 193060964, 241326205, 258984220, 386121928, 482652410, 517968440, 530917651, 965304820, 1061835302, 1930609640, 2123670604, 2654588255, 4247341208, 5309176510, 10618353020, 21236706040]

約数ペア:

[(1, 21236706040), (2, 10618353020), (4, 5309176510), (5, 4247341208), (8, 2654588255), (10, 2123670604), (11, 1930609640), (20, 1061835302), (22, 965304820), (40, 530917651), (41, 517968440), (44, 482652410), (55, 386121928), (82, 258984220), (88, 241326205), (110, 193060964), (164, 129492110), (205, 103593688), (220, 96530482), (328, 64746055), (410, 51796844), (440, 48265241), (451, 47088040), (820, 25898422), (902, 23544020), (1640, 12949211), (1804, 11772010), (2255, 9417608), (3608, 5886005), (4510, 4708804), (9020, 2354402), (18040, 1177201)]