21050796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5867}}^1$

素因数の和:5910

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 34155348

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5867, 11734, 17601, 23468, 35202, 70404, 76271, 134941, 152542, 228813, 269882, 305084, 404823, 457626, 539764, 809646, 915252, 1619292, 1754233, 3508466, 5262699, 7016932, 10525398, 21050796]

約数ペア:

[(1, 21050796), (2, 10525398), (3, 7016932), (4, 5262699), (6, 3508466), (12, 1754233), (13, 1619292), (23, 915252), (26, 809646), (39, 539764), (46, 457626), (52, 404823), (69, 305084), (78, 269882), (92, 228813), (138, 152542), (156, 134941), (276, 76271), (299, 70404), (598, 35202), (897, 23468), (1196, 17601), (1794, 11734), (3588, 5867)]