2021061910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{5003}}^1$

素因数の和:5245

約数の個数: 64

約数和(自身を含む): 4323456000

約数和(自身を除く): 2302394090

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 199, 203, 290, 398, 406, 995, 1015, 1393, 1990, 2030, 2786, 5003, 5771, 6965, 10006, 11542, 13930, 25015, 28855, 35021, 40397, 50030, 57710, 70042, 80794, 145087, 175105, 201985, 290174, 350210, 403970, 725435, 995597, 1015609, 1450870, 1991194, 2031218, 4977985, 5078045, 6969179, 9955970, 10156090, 13938358, 28872313, 34845895, 57744626, 69691790, 144361565, 202106191, 288723130, 404212382, 1010530955, 2021061910]

約数ペア:

[(1, 2021061910), (2, 1010530955), (5, 404212382), (7, 288723130), (10, 202106191), (14, 144361565), (29, 69691790), (35, 57744626), (58, 34845895), (70, 28872313), (145, 13938358), (199, 10156090), (203, 9955970), (290, 6969179), (398, 5078045), (406, 4977985), (995, 2031218), (1015, 1991194), (1393, 1450870), (1990, 1015609), (2030, 995597), (2786, 725435), (5003, 403970), (5771, 350210), (6965, 290174), (10006, 201985), (11542, 175105), (13930, 145087), (25015, 80794), (28855, 70042), (35021, 57710), (40397, 50030)]