21831930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26953}}^1$

素因数の和:26972

約数の個数: 40

約数和(自身を含む): 58705812

約数和(自身を除く): 36873882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26953, 53906, 80859, 134765, 161718, 242577, 269530, 404295, 485154, 727731, 808590, 1212885, 1455462, 2183193, 2425770, 3638655, 4366386, 7277310, 10915965, 21831930]

約数ペア:

[(1, 21831930), (2, 10915965), (3, 7277310), (5, 4366386), (6, 3638655), (9, 2425770), (10, 2183193), (15, 1455462), (18, 1212885), (27, 808590), (30, 727731), (45, 485154), (54, 404295), (81, 269530), (90, 242577), (135, 161718), (162, 134765), (270, 80859), (405, 53906), (810, 26953)]