21357432

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1474

約数の個数: 80

約数和(自身を含む): 62465040

約数和(自身を除く): 41107608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1433, 1656, 1863, 2484, 2866, 3726, 4299, 4968, 5732, 7452, 8598, 11464, 12897, 14904, 17196, 25794, 32959, 34392, 38691, 51588, 65918, 77382, 98877, 103176, 116073, 131836, 154764, 197754, 232146, 263672, 296631, 309528, 395508, 464292, 593262, 791016, 889893, 928584, 1186524, 1779786, 2373048, 2669679, 3559572, 5339358, 7119144, 10678716, 21357432]

約数ペア:

[(1, 21357432), (2, 10678716), (3, 7119144), (4, 5339358), (6, 3559572), (8, 2669679), (9, 2373048), (12, 1779786), (18, 1186524), (23, 928584), (24, 889893), (27, 791016), (36, 593262), (46, 464292), (54, 395508), (69, 309528), (72, 296631), (81, 263672), (92, 232146), (108, 197754), (138, 154764), (162, 131836), (184, 116073), (207, 103176), (216, 98877), (276, 77382), (324, 65918), (414, 51588), (552, 38691), (621, 34392), (648, 32959), (828, 25794), (1242, 17196), (1433, 14904), (1656, 12897), (1863, 11464), (2484, 8598), (2866, 7452), (3726, 5732), (4299, 4968)]