21825832

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 50083200

約数和(自身を除く): 28257368

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 281, 292, 511, 532, 562, 584, 1022, 1064, 1124, 1387, 1967, 2044, 2248, 2774, 3934, 4088, 5339, 5548, 7868, 9709, 10678, 11096, 15736, 19418, 20513, 21356, 37373, 38836, 41026, 42712, 74746, 77672, 82052, 143591, 149492, 164104, 287182, 298984, 389747, 574364, 779494, 1148728, 1558988, 2728229, 3117976, 5456458, 10912916, 21825832]

約数ペア:

[(1, 21825832), (2, 10912916), (4, 5456458), (7, 3117976), (8, 2728229), (14, 1558988), (19, 1148728), (28, 779494), (38, 574364), (56, 389747), (73, 298984), (76, 287182), (133, 164104), (146, 149492), (152, 143591), (266, 82052), (281, 77672), (292, 74746), (511, 42712), (532, 41026), (562, 38836), (584, 37373), (1022, 21356), (1064, 20513), (1124, 19418), (1387, 15736), (1967, 11096), (2044, 10678), (2248, 9709), (2774, 7868), (3934, 5548), (4088, 5339)]