21779580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12517}}^1$

素因数の和:12558

約数の個数: 48

約数和(自身を含む): 63090720

約数和(自身を除く): 41311140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12517, 25034, 37551, 50068, 62585, 75102, 125170, 150204, 187755, 250340, 362993, 375510, 725986, 751020, 1088979, 1451972, 1814965, 2177958, 3629930, 4355916, 5444895, 7259860, 10889790, 21779580]

約数ペア:

[(1, 21779580), (2, 10889790), (3, 7259860), (4, 5444895), (5, 4355916), (6, 3629930), (10, 2177958), (12, 1814965), (15, 1451972), (20, 1088979), (29, 751020), (30, 725986), (58, 375510), (60, 362993), (87, 250340), (116, 187755), (145, 150204), (174, 125170), (290, 75102), (348, 62585), (435, 50068), (580, 37551), (870, 25034), (1740, 12517)]