21953450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10709}}^1$

素因数の和:10762

約数の個数: 24

約数和(自身を含む): 41833260

約数和(自身を除く): 19879810

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10709, 21418, 53545, 107090, 267725, 439069, 535450, 878138, 2195345, 4390690, 10976725, 21953450]

約数ペア:

[(1, 21953450), (2, 10976725), (5, 4390690), (10, 2195345), (25, 878138), (41, 535450), (50, 439069), (82, 267725), (205, 107090), (410, 53545), (1025, 21418), (2050, 10709)]