21881910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1433}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 52656480

約数和(自身を除く): 30774570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 509, 1018, 1433, 1527, 2545, 2866, 3054, 4299, 5090, 7165, 7635, 8598, 14330, 15270, 21495, 42990, 729397, 1458794, 2188191, 3646985, 4376382, 7293970, 10940955, 21881910]

約数ペア:

[(1, 21881910), (2, 10940955), (3, 7293970), (5, 4376382), (6, 3646985), (10, 2188191), (15, 1458794), (30, 729397), (509, 42990), (1018, 21495), (1433, 15270), (1527, 14330), (2545, 8598), (2866, 7635), (3054, 7165), (4299, 5090)]