2021030373580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{4650109}}^1$

素因数の和:4650850

約数の個数: 48

約数和(自身を含む): 4387322983680

約数和(自身を除く): 2366292610100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 701, 1402, 2804, 3505, 7010, 14020, 21731, 43462, 86924, 108655, 217310, 434620, 4650109, 9300218, 18600436, 23250545, 46501090, 93002180, 144153379, 288306758, 576613516, 720766895, 1441533790, 2883067580, 3259726409, 6519452818, 13038905636, 16298632045, 32597264090, 65194528180, 101051518679, 202103037358, 404206074716, 505257593395, 1010515186790, 2021030373580]

約数ペア:

[(1, 2021030373580), (2, 1010515186790), (4, 505257593395), (5, 404206074716), (10, 202103037358), (20, 101051518679), (31, 65194528180), (62, 32597264090), (124, 16298632045), (155, 13038905636), (310, 6519452818), (620, 3259726409), (701, 2883067580), (1402, 1441533790), (2804, 720766895), (3505, 576613516), (7010, 288306758), (14020, 144153379), (21731, 93002180), (43462, 46501090), (86924, 23250545), (108655, 18600436), (217310, 9300218), (434620, 4650109)]