21478608

素因数分解:

$2^4\times 3^4\times {\mathrm{16573}}^1$

素因数の和:16593

約数の個数: 50

約数和(自身を含む): 62169074

約数和(自身を除く): 40690466

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16573, 33146, 49719, 66292, 99438, 132584, 149157, 198876, 265168, 298314, 397752, 447471, 596628, 795504, 894942, 1193256, 1342413, 1789884, 2386512, 2684826, 3579768, 5369652, 7159536, 10739304, 21478608]

約数ペア:

[(1, 21478608), (2, 10739304), (3, 7159536), (4, 5369652), (6, 3579768), (8, 2684826), (9, 2386512), (12, 1789884), (16, 1342413), (18, 1193256), (24, 894942), (27, 795504), (36, 596628), (48, 447471), (54, 397752), (72, 298314), (81, 265168), (108, 198876), (144, 149157), (162, 132584), (216, 99438), (324, 66292), (432, 49719), (648, 33146), (1296, 16573)]