21098876135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1\times {\mathrm{4337}}^1$

素因数の和:5651

約数の個数: 32

約数和(自身を含む): 27329400000

約数和(自身を除く): 6230523865

約数列:

[1, 5, 19, 41, 95, 205, 779, 1249, 3895, 4337, 6245, 21685, 23731, 51209, 82403, 118655, 177817, 256045, 412015, 889085, 972971, 3378523, 4864855, 5416913, 16892615, 27084565, 102921347, 222093433, 514606735, 1110467165, 4219775227, 21098876135]

約数ペア:

[(1, 21098876135), (5, 4219775227), (19, 1110467165), (41, 514606735), (95, 222093433), (205, 102921347), (779, 27084565), (1249, 16892615), (3895, 5416913), (4337, 4864855), (6245, 3378523), (21685, 972971), (23731, 889085), (51209, 412015), (82403, 256045), (118655, 177817)]