21898789385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{14249}}^1\times {\mathrm{27943}}^1$

素因数の和:42208

約数の個数: 16

約数和(自身を含む): 28670544000

約数和(自身を除く): 6771754615

約数列:

[1, 5, 11, 55, 14249, 27943, 71245, 139715, 156739, 307373, 783695, 1536865, 398159807, 1990799035, 4379757877, 21898789385]

約数ペア:

[(1, 21898789385), (5, 4379757877), (11, 1990799035), (55, 398159807), (14249, 1536865), (27943, 783695), (71245, 307373), (139715, 156739)]