21644469

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 19827531

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 87, 99, 189, 203, 231, 261, 297, 319, 359, 609, 693, 783, 957, 1077, 1827, 2079, 2233, 2513, 2871, 3231, 3949, 5481, 6699, 7539, 8613, 9693, 10411, 11847, 20097, 22617, 27643, 31233, 35541, 60291, 67851, 72877, 82929, 93699, 106623, 114521, 218631, 248787, 281097, 343563, 655893, 746361, 801647, 1030689, 1967679, 2404941, 3092067, 7214823, 21644469]

約数ペア:

[(1, 21644469), (3, 7214823), (7, 3092067), (9, 2404941), (11, 1967679), (21, 1030689), (27, 801647), (29, 746361), (33, 655893), (63, 343563), (77, 281097), (87, 248787), (99, 218631), (189, 114521), (203, 106623), (231, 93699), (261, 82929), (297, 72877), (319, 67851), (359, 60291), (609, 35541), (693, 31233), (783, 27643), (957, 22617), (1077, 20097), (1827, 11847), (2079, 10411), (2233, 9693), (2513, 8613), (2871, 7539), (3231, 6699), (3949, 5481)]