21930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:70

約数の個数: 32

約数和(自身を含む): 57024

約数和(自身を除く): 35094

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 1290, 1462, 2193, 3655, 4386, 7310, 10965, 21930]

約数ペア:

[(1, 21930), (2, 10965), (3, 7310), (5, 4386), (6, 3655), (10, 2193), (15, 1462), (17, 1290), (30, 731), (34, 645), (43, 510), (51, 430), (85, 258), (86, 255), (102, 215), (129, 170)]