21167177241

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1210037}}^1$

素因数の和:1210078

約数の個数: 32

約数和(自身を含む): 34849094400

約数和(自身を除く): 13681917159

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 5831, 17493, 1210037, 3630111, 8470259, 20570629, 25410777, 59291813, 61711887, 143994403, 177875439, 415042691, 431983209, 1007960821, 1245128073, 3023882463, 7055725747, 21167177241]

約数ペア:

[(1, 21167177241), (3, 7055725747), (7, 3023882463), (17, 1245128073), (21, 1007960821), (49, 431983209), (51, 415042691), (119, 177875439), (147, 143994403), (343, 61711887), (357, 59291813), (833, 25410777), (1029, 20570629), (2499, 8470259), (5831, 3630111), (17493, 1210037)]