21871368

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41027832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 41, 62, 72, 82, 93, 123, 124, 164, 186, 239, 246, 248, 279, 328, 369, 372, 478, 492, 558, 717, 738, 744, 956, 984, 1116, 1271, 1434, 1476, 1912, 2151, 2232, 2542, 2868, 2952, 3813, 4302, 5084, 5736, 7409, 7626, 8604, 9799, 10168, 11439, 14818, 15252, 17208, 19598, 22227, 22878, 29397, 29636, 30504, 39196, 44454, 45756, 58794, 59272, 66681, 78392, 88191, 88908, 91512, 117588, 133362, 176382, 177816, 235176, 266724, 303769, 352764, 533448, 607538, 705528, 911307, 1215076, 1822614, 2430152, 2733921, 3645228, 5467842, 7290456, 10935684, 21871368]

約数ペア:

[(1, 21871368), (2, 10935684), (3, 7290456), (4, 5467842), (6, 3645228), (8, 2733921), (9, 2430152), (12, 1822614), (18, 1215076), (24, 911307), (31, 705528), (36, 607538), (41, 533448), (62, 352764), (72, 303769), (82, 266724), (93, 235176), (123, 177816), (124, 176382), (164, 133362), (186, 117588), (239, 91512), (246, 88908), (248, 88191), (279, 78392), (328, 66681), (369, 59272), (372, 58794), (478, 45756), (492, 44454), (558, 39196), (717, 30504), (738, 29636), (744, 29397), (956, 22878), (984, 22227), (1116, 19598), (1271, 17208), (1434, 15252), (1476, 14818), (1912, 11439), (2151, 10168), (2232, 9799), (2542, 8604), (2868, 7626), (2952, 7409), (3813, 5736), (4302, 5084)]