21357579552010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85853}}^1\times {\mathrm{1913609}}^1$

素因数の和:1999482

約数の個数: 32

約数和(自身を含む): 41401350380880

約数和(自身を除く): 20043770828870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 85853, 171706, 429265, 858530, 1116089, 1913609, 2232178, 3827218, 5580445, 9568045, 11160890, 19136090, 24876917, 49753834, 124384585, 248769170, 164289073477, 328578146954, 821445367385, 1642890734770, 2135757955201, 4271515910402, 10678789776005, 21357579552010]

約数ペア:

[(1, 21357579552010), (2, 10678789776005), (5, 4271515910402), (10, 2135757955201), (13, 1642890734770), (26, 821445367385), (65, 328578146954), (130, 164289073477), (85853, 248769170), (171706, 124384585), (429265, 49753834), (858530, 24876917), (1116089, 19136090), (1913609, 11160890), (2232178, 9568045), (3827218, 5580445)]