21706524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86137}}^1$

素因数の和:86154

約数の個数: 36

約数和(自身を含む): 62708464

約数和(自身を除く): 41001940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86137, 172274, 258411, 344548, 516822, 602959, 775233, 1033644, 1205918, 1550466, 1808877, 2411836, 3100932, 3617754, 5426631, 7235508, 10853262, 21706524]

約数ペア:

[(1, 21706524), (2, 10853262), (3, 7235508), (4, 5426631), (6, 3617754), (7, 3100932), (9, 2411836), (12, 1808877), (14, 1550466), (18, 1205918), (21, 1033644), (28, 775233), (36, 602959), (42, 516822), (63, 344548), (84, 258411), (126, 172274), (252, 86137)]