21216516

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31280124

約数列:

[1, 2, 3, 4, 6, 12, 29, 41, 58, 82, 87, 116, 123, 164, 174, 246, 348, 492, 1189, 1487, 2378, 2974, 3567, 4461, 4756, 5948, 7134, 8922, 14268, 17844, 43123, 60967, 86246, 121934, 129369, 172492, 182901, 243868, 258738, 365802, 517476, 731604, 1768043, 3536086, 5304129, 7072172, 10608258, 21216516]

約数ペア:

[(1, 21216516), (2, 10608258), (3, 7072172), (4, 5304129), (6, 3536086), (12, 1768043), (29, 731604), (41, 517476), (58, 365802), (82, 258738), (87, 243868), (116, 182901), (123, 172492), (164, 129369), (174, 121934), (246, 86246), (348, 60967), (492, 43123), (1189, 17844), (1487, 14268), (2378, 8922), (2974, 7134), (3567, 5948), (4461, 4756)]