21852288556

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1\times {\mathrm{10861}}^1$

素因数の和:11450

約数の個数: 48

約数和(自身を含む): 44060790592

約数和(自身を除く): 22208502036

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 397, 724, 794, 1267, 1588, 2534, 2779, 5068, 5558, 10861, 11116, 21722, 43444, 71857, 76027, 143714, 152054, 287428, 304108, 502999, 1005998, 1965841, 2011996, 3931682, 4311817, 7863364, 8623634, 13760887, 17247268, 27521774, 30182719, 55043548, 60365438, 120730876, 780438877, 1560877754, 3121755508, 5463072139, 10926144278, 21852288556]

約数ペア:

[(1, 21852288556), (2, 10926144278), (4, 5463072139), (7, 3121755508), (14, 1560877754), (28, 780438877), (181, 120730876), (362, 60365438), (397, 55043548), (724, 30182719), (794, 27521774), (1267, 17247268), (1588, 13760887), (2534, 8623634), (2779, 7863364), (5068, 4311817), (5558, 3931682), (10861, 2011996), (11116, 1965841), (21722, 1005998), (43444, 502999), (71857, 304108), (76027, 287428), (143714, 152054)]