21419076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 59052000

約数和(自身を除く): 37632924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 499, 511, 588, 876, 998, 1022, 1497, 1533, 1996, 2044, 2994, 3066, 3493, 3577, 5988, 6132, 6986, 7154, 10479, 10731, 13972, 14308, 20958, 21462, 24451, 36427, 41916, 42924, 48902, 72854, 73353, 97804, 109281, 145708, 146706, 218562, 254989, 293412, 437124, 509978, 764967, 1019956, 1529934, 1784923, 3059868, 3569846, 5354769, 7139692, 10709538, 21419076]

約数ペア:

[(1, 21419076), (2, 10709538), (3, 7139692), (4, 5354769), (6, 3569846), (7, 3059868), (12, 1784923), (14, 1529934), (21, 1019956), (28, 764967), (42, 509978), (49, 437124), (73, 293412), (84, 254989), (98, 218562), (146, 146706), (147, 145708), (196, 109281), (219, 97804), (292, 73353), (294, 72854), (438, 48902), (499, 42924), (511, 41916), (588, 36427), (876, 24451), (998, 21462), (1022, 20958), (1497, 14308), (1533, 13972), (1996, 10731), (2044, 10479), (2994, 7154), (3066, 6986), (3493, 6132), (3577, 5988)]