21218148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84199}}^1$

素因数の和:84216

約数の個数: 36

約数和(自身を含む): 61297600

約数和(自身を除く): 40079452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84199, 168398, 252597, 336796, 505194, 589393, 757791, 1010388, 1178786, 1515582, 1768179, 2357572, 3031164, 3536358, 5304537, 7072716, 10609074, 21218148]

約数ペア:

[(1, 21218148), (2, 10609074), (3, 7072716), (4, 5304537), (6, 3536358), (7, 3031164), (9, 2357572), (12, 1768179), (14, 1515582), (18, 1178786), (21, 1010388), (28, 757791), (36, 589393), (42, 505194), (63, 336796), (84, 252597), (126, 168398), (252, 84199)]