21705012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86131}}^1$

素因数の和:86148

約数の個数: 36

約数和(自身を含む): 62704096

約数和(自身を除く): 40999084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86131, 172262, 258393, 344524, 516786, 602917, 775179, 1033572, 1205834, 1550358, 1808751, 2411668, 3100716, 3617502, 5426253, 7235004, 10852506, 21705012]

約数ペア:

[(1, 21705012), (2, 10852506), (3, 7235004), (4, 5426253), (6, 3617502), (7, 3100716), (9, 2411668), (12, 1808751), (14, 1550358), (18, 1205834), (21, 1033572), (28, 775179), (36, 602917), (42, 516786), (63, 344524), (84, 258393), (126, 172262), (252, 86131)]