21571056

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 48424464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 46, 48, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 144, 156, 167, 184, 207, 208, 216, 234, 276, 299, 312, 334, 351, 368, 414, 432, 468, 501, 552, 598, 621, 624, 668, 702, 828, 897, 936, 1002, 1104, 1196, 1242, 1336, 1404, 1503, 1656, 1794, 1872, 2004, 2171, 2392, 2484, 2672, 2691, 2808, 3006, 3312, 3588, 3841, 4008, 4342, 4509, 4784, 4968, 5382, 5616, 6012, 6513, 7176, 7682, 8016, 8073, 8684, 9018, 9936, 10764, 11523, 12024, 13026, 14352, 15364, 16146, 17368, 18036, 19539, 21528, 23046, 24048, 26052, 30728, 32292, 34569, 34736, 36072, 39078, 43056, 46092, 49933, 52104, 58617, 61456, 64584, 69138, 72144, 78156, 92184, 99866, 103707, 104208, 117234, 129168, 138276, 149799, 156312, 184368, 199732, 207414, 234468, 276552, 299598, 312624, 399464, 414828, 449397, 468936, 553104, 599196, 798928, 829656, 898794, 937872, 1198392, 1348191, 1659312, 1797588, 2396784, 2696382, 3595176, 5392764, 7190352, 10785528, 21571056]

約数ペア:

[(1, 21571056), (2, 10785528), (3, 7190352), (4, 5392764), (6, 3595176), (8, 2696382), (9, 2396784), (12, 1797588), (13, 1659312), (16, 1348191), (18, 1198392), (23, 937872), (24, 898794), (26, 829656), (27, 798928), (36, 599196), (39, 553104), (46, 468936), (48, 449397), (52, 414828), (54, 399464), (69, 312624), (72, 299598), (78, 276552), (92, 234468), (104, 207414), (108, 199732), (117, 184368), (138, 156312), (144, 149799), (156, 138276), (167, 129168), (184, 117234), (207, 104208), (208, 103707), (216, 99866), (234, 92184), (276, 78156), (299, 72144), (312, 69138), (334, 64584), (351, 61456), (368, 58617), (414, 52104), (432, 49933), (468, 46092), (501, 43056), (552, 39078), (598, 36072), (621, 34736), (624, 34569), (668, 32292), (702, 30728), (828, 26052), (897, 24048), (936, 23046), (1002, 21528), (1104, 19539), (1196, 18036), (1242, 17368), (1336, 16146), (1404, 15364), (1503, 14352), (1656, 13026), (1794, 12024), (1872, 11523), (2004, 10764), (2171, 9936), (2392, 9018), (2484, 8684), (2672, 8073), (2691, 8016), (2808, 7682), (3006, 7176), (3312, 6513), (3588, 6012), (3841, 5616), (4008, 5382), (4342, 4968), (4509, 4784)]