21587230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16231}}^1$

素因数の和:16264

約数の個数: 32

約数和(自身を含む): 46748160

約数和(自身を除く): 25160930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16231, 32462, 81155, 113617, 162310, 227234, 308389, 568085, 616778, 1136170, 1541945, 2158723, 3083890, 4317446, 10793615, 21587230]

約数ペア:

[(1, 21587230), (2, 10793615), (5, 4317446), (7, 3083890), (10, 2158723), (14, 1541945), (19, 1136170), (35, 616778), (38, 568085), (70, 308389), (95, 227234), (133, 162310), (190, 113617), (266, 81155), (665, 32462), (1330, 16231)]