21289408

素因数分解:

$2^6\times 7^1\times {\mathrm{47521}}^1$

素因数の和:47540

約数の個数: 28

約数和(自身を含む): 48282352

約数和(自身を除く): 26992944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47521, 95042, 190084, 332647, 380168, 665294, 760336, 1330588, 1520672, 2661176, 3041344, 5322352, 10644704, 21289408]

約数ペア:

[(1, 21289408), (2, 10644704), (4, 5322352), (7, 3041344), (8, 2661176), (14, 1520672), (16, 1330588), (28, 760336), (32, 665294), (56, 380168), (64, 332647), (112, 190084), (224, 95042), (448, 47521)]