21611930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6691}}^1$

素因数の和:6734

約数の個数: 32

約数和(自身を含む): 43364160

約数和(自身を除く): 21752230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6691, 13382, 33455, 66910, 113747, 127129, 227494, 254258, 568735, 635645, 1137470, 1271290, 2161193, 4322386, 10805965, 21611930]

約数ペア:

[(1, 21611930), (2, 10805965), (5, 4322386), (10, 2161193), (17, 1271290), (19, 1137470), (34, 635645), (38, 568735), (85, 254258), (95, 227494), (170, 127129), (190, 113747), (323, 66910), (646, 33455), (1615, 13382), (3230, 6691)]