21065904

素因数分解:

$2^4\times 3^2\times {\mathrm{146291}}^1$

素因数の和:146305

約数の個数: 30

約数和(自身を含む): 58955676

約数和(自身を除く): 37889772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146291, 292582, 438873, 585164, 877746, 1170328, 1316619, 1755492, 2340656, 2633238, 3510984, 5266476, 7021968, 10532952, 21065904]

約数ペア:

[(1, 21065904), (2, 10532952), (3, 7021968), (4, 5266476), (6, 3510984), (8, 2633238), (9, 2340656), (12, 1755492), (16, 1316619), (18, 1170328), (24, 877746), (36, 585164), (48, 438873), (72, 292582), (144, 146291)]