21079008

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 63544320

約数和(自身を除く): 42465312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 93, 96, 108, 124, 144, 186, 216, 248, 279, 288, 372, 432, 496, 558, 744, 787, 837, 864, 992, 1116, 1488, 1574, 1674, 2232, 2361, 2976, 3148, 3348, 4464, 4722, 6296, 6696, 7083, 8928, 9444, 12592, 13392, 14166, 18888, 21249, 24397, 25184, 26784, 28332, 37776, 42498, 48794, 56664, 73191, 75552, 84996, 97588, 113328, 146382, 169992, 195176, 219573, 226656, 292764, 339984, 390352, 439146, 585528, 658719, 679968, 780704, 878292, 1171056, 1317438, 1756584, 2342112, 2634876, 3513168, 5269752, 7026336, 10539504, 21079008]

約数ペア:

[(1, 21079008), (2, 10539504), (3, 7026336), (4, 5269752), (6, 3513168), (8, 2634876), (9, 2342112), (12, 1756584), (16, 1317438), (18, 1171056), (24, 878292), (27, 780704), (31, 679968), (32, 658719), (36, 585528), (48, 439146), (54, 390352), (62, 339984), (72, 292764), (93, 226656), (96, 219573), (108, 195176), (124, 169992), (144, 146382), (186, 113328), (216, 97588), (248, 84996), (279, 75552), (288, 73191), (372, 56664), (432, 48794), (496, 42498), (558, 37776), (744, 28332), (787, 26784), (837, 25184), (864, 24397), (992, 21249), (1116, 18888), (1488, 14166), (1574, 13392), (1674, 12592), (2232, 9444), (2361, 8928), (2976, 7083), (3148, 6696), (3348, 6296), (4464, 4722)]