21088003105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4842251}}^1$

素因数の和:4842336

約数の個数: 16

約数和(自身を含む): 27658943424

約数和(自身を除く): 6570940319

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4842251, 24211255, 62949263, 314746315, 324430817, 1622154085, 4217600621, 21088003105]

約数ペア:

[(1, 21088003105), (5, 4217600621), (13, 1622154085), (65, 324430817), (67, 314746315), (335, 62949263), (871, 24211255), (4355, 4842251)]