21213498

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 44499456

約数和(自身を除く): 23285958

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 347, 443, 694, 886, 1041, 1329, 2082, 2658, 7981, 10189, 15962, 20378, 23943, 30567, 47886, 61134, 153721, 307442, 461163, 922326, 3535583, 7071166, 10606749, 21213498]

約数ペア:

[(1, 21213498), (2, 10606749), (3, 7071166), (6, 3535583), (23, 922326), (46, 461163), (69, 307442), (138, 153721), (347, 61134), (443, 47886), (694, 30567), (886, 23943), (1041, 20378), (1329, 15962), (2082, 10189), (2658, 7981)]