21953470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4073}}^1$

素因数の和:4105

約数の個数: 48

約数和(自身を含む): 50159088

約数和(自身を除く): 28205618

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 4073, 5390, 8146, 20365, 28511, 40730, 44803, 57022, 89606, 142555, 199577, 224015, 285110, 313621, 399154, 448030, 627242, 997885, 1568105, 1995770, 2195347, 3136210, 4390694, 10976735, 21953470]

約数ペア:

[(1, 21953470), (2, 10976735), (5, 4390694), (7, 3136210), (10, 2195347), (11, 1995770), (14, 1568105), (22, 997885), (35, 627242), (49, 448030), (55, 399154), (70, 313621), (77, 285110), (98, 224015), (110, 199577), (154, 142555), (245, 89606), (385, 57022), (490, 44803), (539, 40730), (770, 28511), (1078, 20365), (2695, 8146), (4073, 5390)]