21845415

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35521}}^1$

素因数の和:35570

約数の個数: 16

約数和(自身を含む): 35806176

約数和(自身を除く): 13960761

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 35521, 106563, 177605, 532815, 1456361, 4369083, 7281805, 21845415]

約数ペア:

[(1, 21845415), (3, 7281805), (5, 4369083), (15, 1456361), (41, 532815), (123, 177605), (205, 106563), (615, 35521)]