21231072

素因数分解:

$2^5\times 3^4\times {\mathrm{8191}}^1$

素因数の和:8213

約数の個数: 60

約数和(自身を含む): 62447616

約数和(自身を除く): 41216544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8191, 16382, 24573, 32764, 49146, 65528, 73719, 98292, 131056, 147438, 196584, 221157, 262112, 294876, 393168, 442314, 589752, 663471, 786336, 884628, 1179504, 1326942, 1769256, 2359008, 2653884, 3538512, 5307768, 7077024, 10615536, 21231072]

約数ペア:

[(1, 21231072), (2, 10615536), (3, 7077024), (4, 5307768), (6, 3538512), (8, 2653884), (9, 2359008), (12, 1769256), (16, 1326942), (18, 1179504), (24, 884628), (27, 786336), (32, 663471), (36, 589752), (48, 442314), (54, 393168), (72, 294876), (81, 262112), (96, 221157), (108, 196584), (144, 147438), (162, 131056), (216, 98292), (288, 73719), (324, 65528), (432, 49146), (648, 32764), (864, 24573), (1296, 16382), (2592, 8191)]