21014745155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{331489}}^1$

素因数の和:331934

約数の個数: 16

約数和(自身を含む): 26094892800

約数和(自身を除く): 5080147645

約数列:

[1, 5, 31, 155, 409, 2045, 12679, 63395, 331489, 1657445, 10276159, 51380795, 135579001, 677895005, 4202949031, 21014745155]

約数ペア:

[(1, 21014745155), (5, 4202949031), (31, 677895005), (155, 135579001), (409, 51380795), (2045, 10276159), (12679, 1657445), (63395, 331489)]