21388176

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8737}}^1$

素因数の和:8768

約数の個数: 60

約数和(自身を含む): 63385452

約数和(自身を除く): 41997276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8737, 17474, 26211, 34948, 52422, 69896, 78633, 104844, 139792, 148529, 157266, 209688, 297058, 314532, 419376, 445587, 594116, 629064, 891174, 1188232, 1258128, 1336761, 1782348, 2376464, 2673522, 3564696, 5347044, 7129392, 10694088, 21388176]

約数ペア:

[(1, 21388176), (2, 10694088), (3, 7129392), (4, 5347044), (6, 3564696), (8, 2673522), (9, 2376464), (12, 1782348), (16, 1336761), (17, 1258128), (18, 1188232), (24, 891174), (34, 629064), (36, 594116), (48, 445587), (51, 419376), (68, 314532), (72, 297058), (102, 209688), (136, 157266), (144, 148529), (153, 139792), (204, 104844), (272, 78633), (306, 69896), (408, 52422), (612, 34948), (816, 26211), (1224, 17474), (2448, 8737)]