21655008

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4423}}^1$

素因数の和:4456

約数の個数: 72

約数和(自身を含む): 65218608

約数和(自身を除く): 43563600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4423, 4896, 8846, 13269, 17692, 26538, 35384, 39807, 53076, 70768, 75191, 79614, 106152, 141536, 150382, 159228, 212304, 225573, 300764, 318456, 424608, 451146, 601528, 636912, 676719, 902292, 1203056, 1273824, 1353438, 1804584, 2406112, 2706876, 3609168, 5413752, 7218336, 10827504, 21655008]

約数ペア:

[(1, 21655008), (2, 10827504), (3, 7218336), (4, 5413752), (6, 3609168), (8, 2706876), (9, 2406112), (12, 1804584), (16, 1353438), (17, 1273824), (18, 1203056), (24, 902292), (32, 676719), (34, 636912), (36, 601528), (48, 451146), (51, 424608), (68, 318456), (72, 300764), (96, 225573), (102, 212304), (136, 159228), (144, 150382), (153, 141536), (204, 106152), (272, 79614), (288, 75191), (306, 70768), (408, 53076), (544, 39807), (612, 35384), (816, 26538), (1224, 17692), (1632, 13269), (2448, 8846), (4423, 4896)]