21729210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1423}}^1$

素因数の和:1942

約数の個数: 32

約数和(自身を含む): 52289280

約数和(自身を除く): 30560070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 509, 1018, 1423, 1527, 2545, 2846, 3054, 4269, 5090, 7115, 7635, 8538, 14230, 15270, 21345, 42690, 724307, 1448614, 2172921, 3621535, 4345842, 7243070, 10864605, 21729210]

約数ペア:

[(1, 21729210), (2, 10864605), (3, 7243070), (5, 4345842), (6, 3621535), (10, 2172921), (15, 1448614), (30, 724307), (509, 42690), (1018, 21345), (1423, 15270), (1527, 14230), (2545, 8538), (2846, 7635), (3054, 7115), (4269, 5090)]