21291031685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2910599}}^1$

素因数の和:2910641

約数の個数: 32

約数和(自身を含む): 33530112000

約数和(自身を除く): 12239080315

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 2910599, 14552995, 20374193, 32016589, 55301381, 101870965, 160082945, 224116123, 276506905, 387109667, 608315191, 1120580615, 1935548335, 3041575955, 4258206337, 21291031685]

約数ペア:

[(1, 21291031685), (5, 4258206337), (7, 3041575955), (11, 1935548335), (19, 1120580615), (35, 608315191), (55, 387109667), (77, 276506905), (95, 224116123), (133, 160082945), (209, 101870965), (385, 55301381), (665, 32016589), (1045, 20374193), (1463, 14552995), (7315, 2910599)]